Bluetooth technology provides wireless audio. High quality audio supported with large 40mm drivers. Built-in controls and microphone to operate music and answer phone calls. Wide headband and ear cup cushions. Stylish folding for space-saving and secure storage. Echo cancellation and noise suppression helps support clearer phone calls. Rechargeable lithium-ion battery. Power on/off. 10 Meter Bluetooth range. Frequency response: 10Hz - 22KHz. Includes Micro USB charging cable.
