This is a multi-functional intelligent bracelets. It has a 0.96-inch TFT screen. It is compatible for iOS 9.0 and above, for Android 5.0 and above. It will give you nice experience! Specifications: Model: M5 Screen: 0.96inch TFT colorful Color: Black, Blue, Pink, Red (Optional) Strap Material: TPU Main chip: HS6620C Memory: 4M bit BT: 4.2 Water-Resistant Level: IP67 Charge: USB charging Support Tystem: Compatible with Android 5.0 and above & IOS 9.0 and above Bracelets Batterys: 13.7V 55mAh polymer lithium batterys Resolution: 80Ă—160 Sensor: Optical heart rate sensor, 3D acceleration sensor Touch: single-point touch APP Language: Multi Language Package Weight: 45g/1.59oz Package Size: 1907525mm/7.482.950.98in Packing List: 1Smartwatch 1Band 1USB Cable 1*User Manual