•1.6-Inch large HD screen,with high resolution,easy to view and read the data •With the waterproof design,whether washing hands or daily use,you don't have to worry about water ingress •Health monitoring: heart rate measurement,blood pressure,sleep monitoring,etc •Support multiple exercise modes,calculate your exercise time,calorie consumption,etc.,to help you live a healthy life •Support 1000 songs and local playback,and can be connected to TWS headsets to facilitate switching songs on the watch •Supports interactive games between mobile phones and TVs,supports 4GB memory Specification: Screen 1.6 inch TFT screen Resolution 400*400 System Android 5.0 and above,iOS 9.0 and above,supporting Bluetooth-compatible 4.0 Bluetooth-compatible Version BLE5.2+3.1 Chip Actions 3085 PPG chip 3605 Battery 450mAh Memory 128MB+4GB Standby Time 10-15 days Working Time 5-7 days Charging Way Magnetic suction charging stand Motor Built in,vibration reminder Waterproof Level IP68 Sensor SC7A20 Watch Size diameter 54mm * thickness 14.0mm Watch Strap Size 22mm Package included: •1 x Smart Watch •1 x Charging Cable •1 x English and Chinese User Manual •Other things not included