Amazfit GTS 2 Specs
General
Watch Operating System    Proprietary OS
Compatible Operating System    Android 5.0 and later
iOS 10.0 and later
Sensors    Accelerometer, Barometer, Compass, Gyroscope, Heart Rate, Light Sensor, Pulse Oximeter
Activity Tracker    Yes
Microphone    Yes
Built-In Speaker    Yes
Vibration    Yes
Connectivity
Connectivity    Bluetooth, Wi-Fi
Bluetooth Protocol    Bluetooth LE
Bluetooth    5.0
Wi-Fi Standard    Not Specified by Manufacturer
GPS    Yes, with GLONASS
Display
Dial Shape    Rectangle
Display Size    1.65" / 4.2 cm
Dial Type    Digital
Display Technology    OLED
Display Resolution    348 x 442
Pixel Density    341 ppi
Battery
Battery Capacity    246 mAh
Battery Life    Normal Use: Up to 7 days
Maximum: Up to 20 days
Battery Charging Time    2 Hours
Charging Method    Magnetic Connector
Physical
Watch Crystal Material    Glass
Case Materials    Aluminum
Water Rating    5 ATM
Band Material    Silicone
Band Width    20 mm
Case Dimensions    1.4 x 1.7 x 0.4" / 35.6 x 42.8 x 9.7 mm
Weight    0.9 oz / 24.7 g (Watch Only)
Packaging Info
Package Weight    0.59 lb
Box Dimensions (LxWxH)    4.5 x 4.4 x 2.9"