Smart Bracelet, YAMAY&reg; Fitness Tracker Smart Band Wristband Smartband with Touch Screen Activity Tracker Pedometer Sleep Monitor Calories Burned Alarm Clock for Sport Running Walking Women Men White Main Function: Pedometer, Calorie, Distance, Speed Sensor, Sports time, Sleeping monitor, Time/Date Display. Display: 0.49" OLED Touch Screen; Main CPU: TI2541; Material: Medical TPU. Waterproof IP64, Language: English and chinese, Easy to Use. It is convenient to Caculate your Sports time, Distance, Calorie and your sleeping quality, make your life more easy. Note: This Band Didn't have bluetooth, also not APP. Pls comfirm it before you buy it.