Xiaomi Mi Band 2 Black Heart Rate And Fitness Tracker

Xiaomi Mi Band 2. Device type: Wristband activity tracker, Colour of product: Black, Housing material: Aluminium, Plastic. Display type: OLED, Display diagonal: 1.07 cm (0.42"). Connectivity technology: Wireless, Bluetooth version: 4.0 BLE. Battery life: 20 day(s), Battery technology: Lithium Polymer (LiPo), Battery capacity: 70 mAh. Weight: 7 g