Features:Voice report numberPlay music， Voice broadcast GPS navigationAutomatically answer the phoneBluetooth version : 3.0+EDROperation range : 0-10mFrequency : 2.4GHzTalking time : up to 8 hoursStand-by time : up to 120 hoursCharging time : 3 hoursBattery Type : Rechargeable lithium batteryPackage list: 1X Bluetooth Handsfree1X Data line