Original Xiaomi Mi Band 2

Specs :
- Battery : 70 mAh, Lithium polymer, 20 days battery life
- Weight : 7.0 g
- Water Resistant : IP67 Standards
- Display : 0.42" OLED Display
- 2nd Gen Bluetooth 4.0
- ADI ultra-low power acceleration sensors & Photoelectric sensors
- Strap Size : 235 mm total length
- 155 - 210 mm adjustable length
- Made of Thermoplastic elastomers, aluminium
- Compatibility : Requires