Features:
Standby time: 20 day
Display: OLED 0.6
Motor: built-in vibration aler
Strap material: TP
Strap length: 220m
Most powerful long: 240m
Data synchronization: automatic sync phone AP
Compatibility: Android, IOS
System requirements: Android more than 4.3, ios7.1, Bluetooth 4.0
Attention:Heart rate test, Ji Bu, distance, calorie consumption, sleep management, time 
display, incoming call alert, message alert, intelligent, smart unlock lost control (Android), sedentary, remind, vibrating alarm clock

Package:
1*smart band
1*charger
1*user manual