Color: Black
Chip: hs6621
Memory: 128M
Bluetooth: BT V5.2 supports calls
Compatible operating system Android: 5.0, iOS 10.0 or above
Operative mode:Full Touch + side key + rotary button
App name: M2 Wear
Waterproof: IP67
Sensor: G-sensor, HRS3300 heart rate sensor
Screen Size: 1.45 inch
Display Type: 2.5D Curved IPS Screen Resolution: 360*360 TFT
Drums Battery capacity: 250mAh
Standby time: up to 5 days
Usage time: about 1-3 days
Charging time: about 2 hours
Charging type: Wireless charging
Band size: 22mm (detachable band)
Band material: Silicone/Leather/Matel
Case Material: zinc alloy + plastic
Weight: about 53g
Size: 46.8*10.7mm
Other characteristics The custom watch face, message alerts, alarm, weather, find watch, music controls, heart rate, blood pressure, blood oxygen, and password lock. NFC