The Quantified Scientist
The Quantified Scientist
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Huawei Band 9 : The Biggest Surprise This Year (and it’s not good…)
🔴 Best place to get a Huawei* ;-) : geni.us/HuaweiBand9
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🟡 Twitter: @QuantifiedRob
* Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own, and this content is not sponsored.
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👇 $30 off any new WHOOP membership, affiliate* (paid) link, supports the channel!👇
join.whoop.com/QuantifiedScientist ($30 off any new WHOOP membership)
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👇Amazon Affiliate* (paid) links. Supports the channel, doesn't cost you any more!👇
▬▬▬▬▬▬▬▬▬▬BEST DEVICES▬▬▬▬▬▬▬▬▬▬
🔴 Oura Link: I recommend you search for a discount on reddit with the "Refer-A-Friend" program! If you can’t find one: ouraring.sjv.io/rQ4L33 (affiliate link that supports the channel, but doesn't have a discount)
🔴 Whoop Strap 4.0: join.whoop.com/QuantifiedScientist
($30 off any new WHOOP membership)
🔴 Eight sleep 200$/150$ discount*: eight-sleep.ioym.net/TheQuantifiedScientist + add code “TQS” for 200$/150$ total discount
🔴 General Amazon link*: geni.us/thequantifiedscientist
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📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
Camera body (main): geni.us/SonyA6600_body
Camera lens (main): geni.us/SigmaContemporary
Camera (B-roll 1): geni.us/Sony_ZVE1
Camera (B-roll 2): geni.us/CanonEosM50MarkII and geni.us/Sony_ZVE10
Light: geni.us/Godox_VL150
Softbox: geni.us/NiceFotoSoftbox
Light stand: geni.us/WalimexLightstand
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Reference devices:
ZMax + Dreamento: www.biorxiv.org/content/10.1101/2023.08.18.553744v1 & github.com/dreamento/dreamento
Polar H10: pubmed.ncbi.nlm.nih.gov/31004219/
🔴 Polar H10: geni.us/hnXc
Intro Music from #Uppbeat (free for Creators!):
uppbeat.io/t/moire/new-life
License code: OBLD6VBBCTRDFZQP
Timestamps:
00:00 Quick Intro
00:44 Heart Rate Test 1 : Indoor Cycling
04:45 Heart Rate Test 2 : Running
06:30 Heart Rate Test 3 : Outdoor Cycling
09:21 Heart Rate Test 4 : Weight Lifting
11:19 Limitations, Recommendations & Conclusions
This video serves as a warning, both to you and to me. I expected when I bought two Huawei Band 9’s that their heart rate performance would be as good, or maybe even better than the Huawei Band 8. The Band 9 looks more or less the same as the Band 8, and the Band 8 was one of the top performers in my testing last year. With a lot more time having passed to develop the hardware and firmware, I was hoping Huawei would be able to squeeze even better heart rate performance out of the Band 9, and I assumed it would be at minimum as good as the Band 8. But the saying appears to be true, when you assume, you make an dot-dot-dot out of you and me. Today we will take a look at my initial testing of the heart rate tracking performance of the brand new Huawei Band 9, and you can judge yourself if you are disappointed too.
Now, this is only an initial test, but it was so surprising that I wanted to get this video out quickly. The question remains, why would the Band 9 do worse than the Band 8? Well, one explanation could lie in the sensor set. It seems Huawei changed the configuration of the LEDs and sensors on the back of the watch. Now, this is not my area of expertise, but looking at it you can see the Band 8 has two sets of LEDs on the outside, with the large photodetector in the middle. The Band 9 on the other hand has aone set of LEDs and photodetector very close to each other on top, then another set of LEDs exactly in the middle of the watch with a second photodetector a bit further down. Now, I don’t know how the signals from the photodetectors are combined, but it might be that the software is not optimized enough yet to deal with these two independent signals. However, this does not seem to be the first watch where Huawei uses multiple photodetectors, looking at the back of some of the GT series watches you can also see a symmetrical ring of photodetectors around a central pair of LEDs, so multiple photodetectors does not appear to be a new concept for Huawei. Now, this is all pure speculation, since I am not even sure if both LEDs and photodetectors on the Band 9 are used to measure heart rate, it might well be that one pair was designed for heart rate and the other for oxygen saturation. Still, these initial findings are disappointing, but we will have to wait for my full review to draw any final conclusions.
Переглядів: 27 870

Відео

Can Polar Beat Garmin? Polar's New Heart Rate Algorithm Tested!
Переглядів 22 тис.14 днів тому
🔴 Best place to get your Polar* ;-) : geni.us/Polar_GritX2Pro 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost y...
Samsung Galaxy Fit3 : Scientific Review (BEST deal?!)
Переглядів 66 тис.28 днів тому
🔴 Best place to get a Galaxy Fit3* ;-) : geni.us/SamsungGalaxyFit3 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you...
Garmin Forerunner 165 : Scientific Review (My Top Garmin!)
Переглядів 32 тис.Місяць тому
🔴 Best place to get a Forerunner 165* ;-) : geni.us/Forerunner_165 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't c...
Polar Grit X2 Pro Hands-On: A Scientist's Perspective (Heart Rate, GPS, Build)
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🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own, and this conte...
Fitbit Charge 6 : Long-term Scientific Review (2024)
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🔴 Best place to get a Fitbit Charge 6* ;-) : geni.us/Charge6 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost yo...
Google Pixel Watch 2 : Independent Scientific Review (2024 retest)
Переглядів 38 тис.2 місяці тому
🔴 Best place to get a Pixel Watch 2* ;-) : geni.us/Pixel_Watch_2 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cos...
TicWatch Pro 5 : Full Scientific Review (2 Displays = Worth It?)
Переглядів 15 тис.2 місяці тому
🔴 Get a TicWatch Pro 5*: geni.us/TicWatchPro5_TQS 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more!...
Garmin Vivoactive 5 : In-depth Scientific Test (Outshines the Venu 3?)
Переглядів 36 тис.3 місяці тому
🔴 Get a Garmin Venu 3*: geni.us/GarminVenu_3 🔴 Get a Garmin Vivoactive 5*: geni.us/Garmin_Vivoactive5 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: studio.ua-cam.com/channels/cpARGzXNaC62UQWns2dh2Q.html 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commi...
CMF by Nothing Watch Pro : Scientific Review (Heart Rate, Sleep, GPS)
Переглядів 62 тис.3 місяці тому
🔴 General Amazon link*: geni.us/thequantifiedscientist 🔴 Nothing Watch Pro*: geni.us/CMFbyNothingWatchPro 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are com...
Scientific Sleep Test : Oura, Fitbit/Google, Mi Band (More💰 = Better?)
Переглядів 42 тис.3 місяці тому
🔴 General Amazon link*: geni.us/thequantifiedscientist 🔴 Oura Link*: ouraring.sjv.io/rQ4L33 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own...
Amazfit Balance : Full Scientific Review (Best Amazfit Yet!)
Переглядів 60 тис.4 місяці тому
🔴 General Amazon link*: geni.us/thequantifiedscientist 🔴 Amazfit Balance*: geni.us/AmazfitBalance 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely ...
Samsung Galaxy Watch 6 & 5 : Scientific Sleep Test
Переглядів 28 тис.4 місяці тому
🔴 General Amazon link*: geni.us/thequantifiedscientist 🔴 Samsung Galaxy Watch 6 Classic*: geni.us/GalaxyWatch6Classic 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opin...
Amazing Sleep Tracking With A 90$ Polar Wearable!
Переглядів 58 тис.4 місяці тому
🔴 General Amazon link*: geni.us/thequantifiedscientist 🔴 www.nukkuaa.com/en, paper: www.mdpi.com/1424-8220/23/22/9077 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opin...
Best Health and Sports Trackers in 2023 : Scientist's Top Picks
Переглядів 86 тис.5 місяців тому
🔴 Eight sleep discount*: eight-sleep.ioym.net/TheQuantifiedScientist add code “TQS” for total discount 🔴 Whoop Strap 4.0*: join.whoop.com/QuantifiedScientist 🔴 Oura Link*: ouraring.sjv.io/rQ4L33 🔴 Polar H10: geni.us/hnXc 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: quantified_scientist 🟠 Shorts: www.youtube.com/@smartwatchshorts 🔵 Newsletter: www.robterhors...
Polar Vantage V3 : Scientific Heart Rate Test
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Polar Vantage V3 : Scientific Heart Rate Test
Garmin Venu 3 & 3S : Scientific Test
Переглядів 79 тис.6 місяців тому
Garmin Venu 3 & 3S : Scientific Test
Mi Band 8 International : Scientific Test
Переглядів 119 тис.6 місяців тому
Mi Band 8 International : Scientific Test
Fitbit Charge 6 : Scientific Test (IMPROVED by AI!)
Переглядів 102 тис.6 місяців тому
Fitbit Charge 6 : Scientific Test (IMPROVED by AI!)
Google Pixel Watch 2 : Scientific Test (BEST on Android!)
Переглядів 179 тис.6 місяців тому
Google Pixel Watch 2 : Scientific Test (BEST on Android!)
Apple Watch Ultra 2 (vs Series 9) : Scientific Review
Переглядів 76 тис.6 місяців тому
Apple Watch Ultra 2 (vs Series 9) : Scientific Review
Apple Watch Series 9 : Full SCIENTIFIC Review
Переглядів 82 тис.7 місяців тому
Apple Watch Series 9 : Full SCIENTIFIC Review
Apple Watch Series 9 & Ultra 2: SCIENTIFIC Review
Переглядів 86 тис.7 місяців тому
Apple Watch Series 9 & Ultra 2: SCIENTIFIC Review
Huawei Watch GT4 : Full SCIENTIFIC Review
Переглядів 177 тис.7 місяців тому
Huawei Watch GT4 : Full SCIENTIFIC Review
COROS PACE 3 : Scientific Review
Переглядів 102 тис.8 місяців тому
COROS PACE 3 : Scientific Review
Samsung Galaxy Watch 6 : Full SCIENTIFIC Review
Переглядів 197 тис.8 місяців тому
Samsung Galaxy Watch 6 : Full SCIENTIFIC Review
Samsung Galaxy Watch 6 Classic : Full SCIENTIFIC Review
Переглядів 67 тис.8 місяців тому
Samsung Galaxy Watch 6 Classic : Full SCIENTIFIC Review
Samsung Galaxy Watch 6 & Classic : Scientific Review
Переглядів 82 тис.8 місяців тому
Samsung Galaxy Watch 6 & Classic : Scientific Review
COROS Heart Rate Monitor : The End Of ECG?
Переглядів 51 тис.9 місяців тому
COROS Heart Rate Monitor : The End Of ECG?
Huawei Band 8 : Scientific Review
Переглядів 194 тис.9 місяців тому
Huawei Band 8 : Scientific Review

КОМЕНТАРІ

  • @Oneshootonekill
    @Oneshootonekill 15 годин тому

    Huawei needs also to create a website like Garmin Connect. I am happy regarding my band 8 but not having a website for checking all the records is pretty bad. Thanks for your review.

  • @MsCellobass
    @MsCellobass 16 годин тому

    👀 what are you an obsessed high tech health guru??😂

  • @HoaLe-kb6nf
    @HoaLe-kb6nf 18 годин тому

    do you have some reason to make a video like this for huawei band 9, please

  • @ellie2747
    @ellie2747 19 годин тому

    Huawei band 8 is now out of stock. Will they restock again?

  • @ngocduy2179
    @ngocduy2179 21 годину тому

    does GT Runner still have a top-notch HR sensor so far, sir?

  • @samvexez8635
    @samvexez8635 21 годину тому

    I was looking for this. Perfect. I'm shocked disappointed happy and excited. Really hope the new garmin watches can peak or match apples performance.

  • @samvexez8635
    @samvexez8635 22 години тому

    Why did you remove the samsung classic 4

  • @samvexez8635
    @samvexez8635 22 години тому

    Wait so the samsung classic 4 is more accuratethan the garmin

  • @jordannet
    @jordannet 22 години тому

    it is not accurate the galaxy watches are the worst , i have tested galaxy 5 pro which should be better but it is not , the amazfit bip 5 speically with the latest firmware the heart rate and oxygen detection is much better

  • @jeiryasuth
    @jeiryasuth 23 години тому

    Band link? Looks sexy

  • @uralmutlu4320
    @uralmutlu4320 День тому

    Despite the negative review, I'm gonna get this watch/band. R=0.99 for running is pretty good. I expect its got better overall sleep tracking than the previous generation as well. This band is not out in my country yet, so if the full review comes out before then and the sleep tracking is also poor, I might just as well go for band 8 or xiaomi band.

  • @equsnarnd
    @equsnarnd День тому

    I owned a Garmin Fenix 3 and now own a Forerunner 265. I am disappointed and somewhat angry that Garmin watches are not between 0.9 and 1 in their performance. For what you pay they should be in that range. And how can the Venu 3 be so far down from a Venu 2. I don't understand how the Garmin tech is not better than this. Can anyone explain it to me?

  • @chenglabs
    @chenglabs День тому

    still using the band 6, see no reasons to upgrade again.

  • @patriciadobkin4860
    @patriciadobkin4860 День тому

    My FITBIT indicates that I am awake about 1 hour per night. I have Restless leg syndrome - is it picking this up. It was diagnosed in a sleep clinic.

  • @frankniethardt1813
    @frankniethardt1813 День тому

    0:55 you are absolutely right. If you sync the data to runalyze you can actually see what is hidden in the FIT file. As an example the Vivoactive 4 does not have Training effect or recovery time. But in runalyze both data is present. Garmin just chooses to hide it from the user to sell their more expensive watches...

  • @smokingcat3267
    @smokingcat3267 День тому

    This is next level attention to content. Good review, thanks!!!

  • @nixdagibts
    @nixdagibts День тому

    Amazing channel, a real gem

  • @nicoleibundgut534
    @nicoleibundgut534 День тому

    i am looking for a relieable device to track sleep. I just found out the Dreem 2 device you used is no longer aviable for the public? Wtf?

  • @RickoH_NZ
    @RickoH_NZ День тому

    If apple’s standard watch had a battery life that lasted longer than it does, the sleep tracker would be more useful. E.g. I have a series 6 and the battery lasts about 18hours. At the moment most people who don’t have an ULTRA charge their watch while they’re in bed because the battery doesn’t last more than 18-20 hours.its not really an all-day wearable Compare this to my Garmin, which gives me a good 6-7 days….

  • @AlexandrePopescu
    @AlexandrePopescu День тому

    Hi, just discovered your channel, pretty amazing job you're doing! Have you heard about the Ultrahuman ring? Didn''t find any review of it.

  • @aldonovendi3748
    @aldonovendi3748 День тому

    How about the sleep test? It's been 7 days and there's no full review yet

  • @supercurioTube
    @supercurioTube День тому

    I just got one second hand for Wear OS app development. It was a very affordable option. Shame that the sensors and algorithms are as bad, because the watch itself is nice and its display gorgeous.

  • @victorlanced780
    @victorlanced780 День тому

    Subbed as soon as you talked about axes 👏

  • @gregl.7465
    @gregl.7465 День тому

    Will you be reviewing the T-Rex line of Amazfit watches? I understand they are releasing a 3rd generation T-Rex Pro in the next several months

  • @ilockeyou
    @ilockeyou День тому

    Damn I forgot to watch your review before buying any smartband/watch. I bought it already. 😢

  • @bennettvines6533
    @bennettvines6533 День тому

    I've been using this watch for a year and a half and I'm not too satisfied. I never take it off and I've noticed some patterns. For example, when I wash my hair, it counts a bunch of steps that I actually didn't take. Sometimes the GPS doesn't work properly; I want to run and it just won't connect to the GPS, which is quite annoying. After about 8 months, the original strap broke and I had to buy a replacement, which indicates its poor quality. Also, the skin under the original strap sweats abnormally. You can't read the screen in the sunlight, which is a disaster. If you're in the pool and forget to turn off the auto turn-on for the screen, the water will click who knows what on the screen, and then you have to get out of the pool and dry at least one finger to turn off the screen auto turn-on. I would say you get what you pay for; the GPS is good when it works, and that's why I use it the most. I've done comparisons with the SpO2 readings and it always matches the results from medical devices designed specifically for that purpose. I don't trust it very much for the number of steps I've supposedly taken; I only consider that roughly, and I trust it even less for the calories burned and heart rate. Sometimes I glance at the sleep phases, but I don't really trust it either. One should be aware of what can generally be expected from Mi devices, especially for this price.

  • @zulshah3265
    @zulshah3265 День тому

    Wow.. im surprised at how bad Garmin is doing with the heart rate tracking.

  • @healthylizer
    @healthylizer День тому

    And make video for Huawei Watch Fit SE also please 😊

  • @healthylizer
    @healthylizer День тому

    Make test for Huawei Watch Fit 3 please... 😊

  • @rasooldad1878
    @rasooldad1878 День тому

    Please make video of HK 9 pro models as these are the exact replica of apple watch series 9

  • @lucasinacio1484
    @lucasinacio1484 День тому

    Please, review the redmi watch 4! Thanks

  • @r0msta
    @r0msta День тому

    everything's top but his accent is sometimes hard to understand lmao

  • @nguyenhieu7633
    @nguyenhieu7633 2 дні тому

    Thanks for your work, very appreciate

  • @george6252
    @george6252 2 дні тому

    Both of these watches and others after Jan 2024 have their Oxygen Sensor software turned off. Lawsuit expires in 2028. I'm using my Series 8's (have two) until then.

  • @jenniferletran1127
    @jenniferletran1127 2 дні тому

    I bought it just for sleep and steps So for other activity, I dont bother at all I am satisfied with it. Would be great if we can check other stats other than activities like spinning cycling etc

  • @GuidoAmbria
    @GuidoAmbria 2 дні тому

    Incredible job Rob! Scientific method Is the only one that should be used everywhere! Thank you for your job!

  • @jenniferletran1127
    @jenniferletran1127 2 дні тому

    How about the sleep? And other task

  • @jordannet
    @jordannet 2 дні тому

    you always confusing me .. until now i could not make a decision what best smart watch for android i can buy in term of heart rate and sleep tracking , can you make short video to sort these watches as top 10 android heart rate tracking and top 10 android sleep tracking?

  • @nowwafali6331
    @nowwafali6331 2 дні тому

    what about review Huawei Watch 4 pro

  • @captainlcm
    @captainlcm 2 дні тому

    I wish I discovered your channel sooner

  • @tatorios507
    @tatorios507 2 дні тому

    You are awesome! I'm waiting for your band 8 PRO review to see if it makes any improvements over this one, hopefully you do that one someday. Cheers!

  • @Abdul_Mossad...
    @Abdul_Mossad... 2 дні тому

    You should also test the heart rate accuracy during intercourse...

    • @talatyigen
      @talatyigen 13 годин тому

      You made me laugh man 😄

  • @TheTiagofo
    @TheTiagofo 2 дні тому

    It will be nice if you find a way to measure calories burned on each type of workout and compare with different devices. Or better yet, compare calories burned during 24h.

  • @bayuw6314
    @bayuw6314 2 дні тому

    Great work! I will be waiting for the sleep tracking review but i am almost set my heart on the band 8

  • @gaigeeeeeee
    @gaigeeeeeee 2 дні тому

    As I get more and more into fitness I'm almost at the point of wearing two smart watches, I own a galaxy watch 4 that I use for calls, texts, payments, streaming music, etc, but the battery life really sucks and I'm tired of missing out on important health data while it's out of battery or on the charger.. I'm simply looking for a low budget watch that will accurately track total steps, total hours slept, resting heart rate and has a battery that will last for a long time without charging, I don't need any of the other fancy features and settings that some of these watches have. I really appreciate these videos as I know it would take me quite a while to figure which one is right for me.

  • @arifhossainshikder8555
    @arifhossainshikder8555 2 дні тому

    Honor choice band scientifical test & data accuracy review it😮.honor good or bad ! I need to know that

  • @carlosmiguel4756
    @carlosmiguel4756 2 дні тому

    Xiaomi mi band 9 is arriving this month. Waiting for that :)

  • @raphaelpommier4304
    @raphaelpommier4304 2 дні тому

    Awesome Rob!

  • @sferaefdeer3465
    @sferaefdeer3465 2 дні тому

    Rob, I think you're buying a watch with your own money. You need to make an announcement so that companies and people send you devices for tests and reviews.

  • @lacsarlacsar3566
    @lacsarlacsar3566 2 дні тому

    Hi Rob, does the GT3 Pro support Pulse Wave Arrhythmia Analysis and Arterial Stiffness Detection?