Display Screen:0.91" inch OLED touch screen 
Chip: TI CC2540 
Memory: Syncing your data regularly 
Bracelet main body: ABS+TPU 
Size: 69.1mm*15.8mm*11.2mm 
Weight: 18g 
Battery: Lithium ion polymer battery 75mAh 
Standby time: 5-7 days 
Waterproof grade: IP67 
App name: Zeroner 
Application system and models: iOS 7 or above version/Android 4.3 or higher version 
Functions: Steps Counting, Find Your Phone, Camera Remote Control, Sedentary Reminder, SMS Reminding, Call Reminder, Incoming Calls Show, Calories Burned Measuring, Sleep Management