Product Details:Product Type: Long standby wireless business Bluetooth headsetProduct size: 67*24*17mmBluetooth chip: 4.2 BluetoothBluetooth range: within 10 metersCall duration: 36 hoursCharging time: less than 2 hoursProduct features: intelligent noise reduction, two drag one, music play / pause, up and downGeneral products: Android, IOS5.0 and above, WP system and other mobile phones with Bluetooth function, PSP, laptop.Packaging Information:1*V19 Headset