Amazfit GRT Main Features:
The Amazfit GTR comes in two different size options at 42mm and 47mm, compatible with Android 5.0 and above, iO S10.0 and above.
1.2 - 1.39 inch AMOLED Screen
The Amazfit GTR comes with 47mm-1.39-inch (454 x 454 pixels) or 42mm-1.2-inch ( 390 x 390 pixels) AMOLED display with Corning Gorilla Glass 3 protection, AF Coating.
5ATM Waterproof Rating
The watch is 5ATM / 50 meters water-resistant and dust-resistant.
BioTracker PPG Bio-optical Sensors
The device has BioTracker PPG bio-optical sensors to offer advanced 24h continuous heart rate monitoring and 12 different sports modes covering a wide range of activities from swimming to skiing. The 12 sports modes includes outdoor/indoor running, walking, outdoor/indoor cycling, elliptical trainer, pool/open water swimming, mountaineering, trail running, skiing, exercising. The sleep monitoring to understand better your sleeping pattern.
GPS + GLONASS
Built-in GPS + GLONASS which is more accurately than satellites, to precisely track your routes.
Android 5.0 and above, iO S10.0 and above.
24 days Ultra-long Battery Life
47mm - 410mAh LiPo battery with up to 24-days battery life with normal use, up to 74 days in basic watch mode.
42mm - 195mAh LiPo battery with up to 12-days battery life with normal use, up to 34 days in basic watch mode.
24 days battery life to avoid frequent charging and focus on your daily activities mind free. 28nm ultra low power consumption Sony GPS chip, consuming only 1/3 power compared to similar GPS chips.