MODEL: W15

Bluetooth chip           RealtekRTL8762C 

Heart rate chip           Wiki pro source VC31 

Sensor gravity sensor       Gravity sensor STK8321 

Waterproof class           IP68 

Bracelet memory          128M bit Flash, 160k byte RAM 

Screen displays           1.28-inch IPS color screen 

Bluetooth version           BLE 5.0 

Colour                           Orange/ blue/grey 

Battery capacity           200mAh 

Standby time                   20 to 25 days 

The working time           7 days or so 

Physical buttons           Full touch and button 

The motor                   Built-in vibration reminder 

Charging interface pad   magnetic charging base 

System requires           Android 4.4 and above, IOS 8.0 and above, bluetooth 5.0 support 

APP                           Tefiti 

Functions 

24 modes of exercise, heart rate detection, blood pressure detection, blood oxygen detection, pedometer, Time and date display, step counting, calorie, distance display with screen. Sleep monitoring (sleep time, sleep quality). Standard motor function (step counting, distance, calories), GPS track movement. Time interface 6 kinds of UI dial display + massive dial + self-defined disc, mechanical movement style theme UI, 7 messages storage view.