Global Version Xiaomi Mi Band 2 miband 2 Smart band OLED display touch pad heart rate monitor Bluetooth 4.0 fitness tracker Brand Xiaomi Model:Miband 2 Color Black Screen:0.42 inch OLED Display Sensor:ADI ultra-low power acceleration sensor + Optical heart rate sensor Input Voltage DC 5V Battery Capacity 70mAh Cell Type Lithium Polymer Input current 45 mA(TYP) 65 mA(MAX) Alloy Body Dimension 40.3*15.7*10.5 mm Alloy Body Shell Material Plastic, aluminum Wrist Strap Material DowConing TPSiV Metal Face Material Magnesium Aluminum Alloy Waterproof IP67 Standby time Up to 10 days Compatible Minimum Requirements: 1 Requires Bluetooth® 4.0 and later. For a better performance, we suggest to connect device with Bluetooth 4.2 or later. 2.Compatible with Mi 3, Redmi Note 4G, or any device with Android 4.4 and above. 3. Compatible with iPhone models 4s and above that run on iOS 7 and above. - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188