Product Description

Bluetooth : V4.2+EDR class 2 RF Frequency Range: 2.402-2.480GHZ,2.4G ISM brand Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm Operating distance:about 10 meters Nominal charging time: Max 1.5 hours Work time: about 7 hours Impedance:32 ohm Standby time:up to 180 hours Charging Port: micro usb Charger adapter output: DC 5V&130mA Technology: rubber painting Feature:Wired headphone Bluetooth wireless headphone