Wireless Bluetooth Noise Reduction Headset (Black) (Intl)
Product details of Wireless Bluetooth Noise Reduction Headset (Black) (Intl) Material: Plastics Function: Bluetooth Charging voltage: MICRO USB 5V Working current: 25-30mA Bluetooth working range: 10m Output power: 2 x 20mW Frequency range: 2.401-2.480GHz Frequency response: 20Hz-20KHz Working time:...