Bluetooth: Bluetooth 4.0 
Display: 0.69 inch OLED touch screen 
Resolution: 96*16 
Body Size: 40*14.3*10.8mm 
Body Material: Plastic 
Weight: 14.2g 
Strap Length: 230mm 
Strap Material: TPU 
Sensor: G Sensor 
Battety: 40mAh,normal use 7 days 
Charging Currents: 5V/1A 
Motor:vibration 
Features & Function: 
Tracking activity : steps taken / calories burned/distance traveled / active minutes 
Tacking sleep quality:how long you sleep,how well you sleep 
Remote capture: By shaking hands 
APP software:sync data to your smartphone (Android 4.3 / iOS7 or higher version) 
track and control your status through simple graphs/charts 
Reminder: calls remind/SMS remind 
Intelligent alarm: a vibrating alarm that wakes you at your desired time,without disturbing your partner 
OLED display:daily data on your wrist ,time(clock, date)