Amazfit T-Rex Smartwatch, Military Standard- Rock Black

Color: Rock Black

Charging method: Magnetic, 2pin pogo pin charging

Battery Life: Daily use mode:20 days Heart rate monitoring always on, sleep monitoring; GPS turned on for 13 minutes a day, 150 messages pushed daily which activate screen, wrist raised 30 times which activate screen, 5 minutes of other operations.Basic watch mode: 66 days Bluetooth connection to phone turned off, heart rate monitoring and other functions, screen activated by wrist tilt 100 times a day.GPS continuous working time: 20 hours GPS activated to track exercise and monitor heart rate.

Sensors: BioTrackerTM PPG Bio-Tracking Optical Sensor, 3-axis acceleration sensor, Geomagnetic sensor, Ambient light sensor

Waterproofing:  5ATM, supports swimming