Amazfit Stratos 3

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Amazfit Stratos 3
Size : 48.6 x 48.6 x 13.4mm
Battery life :  35 hours (GPS mode)
5ATM
Music player
GPS/GLONASS/Galileo/BeiDou
Bluetooth 4.2   BLE 5.0
WiFi 2.4GHz 802.11b/g/n
NFC

Firstbeat features (8)
VO2max Fitness Level
Training Effect: Aerobic
Training Load
Recovery Time Advisor
Real-Time Performance Condition
Personalized Training Plans: Cardio
Real-Time Coaching
Calories Burned
https://cn.amazfit.com/stratos-3.html

https://detail.tmall.com/item.htm?id=586494689185
CXD5603GF
https://www.sony-semicon.co.jp/products_en/gps/index.html


Amazfit GTS (Like Apple Watch)
https://cn.amazfit.com/gts.html

wkc

Amazfit
Data sync : Google Fit, Strava and WeChat
Android 4.2.0-play
https://play.google.com/store/ap ... anager&hl=en_GB
iOS
https://apps.apple.com/us/app/amazfit-watch/id1127269366

Google Fit
Android
https://play.google.com/store/ap ... ndroid.apps.fitness
iOS
https://apps.apple.com/app/id1433864494
Google Fit supported devices : Apple Watches, Galaxy Watches, Fitbit (Now Google)......