Size : 1.6\" inches, IPS colorful screen Flash memory : 128M Material : Silicone/steel strap Bluetooth : BLE 5.0 Battery type : 600mAh, Polymer lithium battery Charging type and standby: Pogo Pin, 7-10 days normally use, 30 days standby Display : 1.6\" inches, IPS, 400*400px Main chip CPU : RTL8762DT+BK Compatible systems : iOS 8.2 and higher, Android4.4 and higher APP name : Q watch pro