Battery Capacity: 70mAh
Standby time: 20 days
Batteries Type: Lithium Polymer
Input current: 45 mA (TYP) 65 mA (MAX)
Weight: 7.0 g
The main material: plastic, aluminum
Waterproof rating: IP67
Strap: total length: 235 mm
Adjustable Length: 155-210 mm
Material: thermoplastic elastomers, aluminum
Display:0.42 inches OLED display
Bluetooth 4.0 BLE
Low power consumption acceleration sensor and photoelectric heart rate sensor
1. 100% original Xiaomi mi band 2
2 .0.42inch OLED display screen with touchpad
3. Support Heart rate monitor
4. Passometer,Fitness Tracker,Sleep Tracker,Message Reminder,Call Reminder
5. Sleep-cycle smart alarm
6. Running MIUI Android 4.4 and above versions; For iphone 4s/5/5s/6/plus ios 7.0 and above
7.Unlock your Mi phone without a password
1. DON'T wear the band when you are swimming or diving.
2. Install APP 'Mi Fit' only via link: http:m.app.mi.com/detail/685483. Heart rate monitor is valid in the condition of keep still of your arm and body.
4. Keep other bands (such as Miband 1S and 1A) away from Miband 2 when you tring to pair with a phone, otherwise it may cause unsucessful paring.