M10 IP67 Waterproof Bluetooth 0.95" OLED Touch Screen Smart Bracelet Fitness Tracker - Black Watches 1) Long press S2 and

1) Long press S2 and S3 buttons until "ON" shows in the center of dial

1 x 40 pin header

No-load speed choice: 2rpm / 3rpm /5rpm/ 6rpm/ 10rpm/ 20rpm / 30rpm/ 62rpm / 100rpm

Multifunction Bluetooth Speaker: Supports Bluetooth

M10 IP67 Waterproof Bluetooth 0.95" OLED Touch Screen Smart Bracelet Fitness Tracker - Black Watches 1) Long press S2 and2018 New Color Screen Smart Band Wristband Fitness Tracker Blood Pressure watch Sport Bracelet Heart Rate Monitor PK mi Band 2 Main Functions With 0. 95 inch Color OLED screen Heart rate detection Blood oxygen detection Blood pressure detection Time, Pedometer, Calorie Consumption,Distance Calculation Standard exercises functions (Pedometer, Calorie Consumption, Distance Calculation) Sleep detection (Sleep time ,Sleep quality) Calls to remind, SMS