Take your music on the road with wireless freedom. Bluetooth wireless allows straightforward wireless pairing of Bluetooth enabled device. Supports Bluetooth v5.3, Built-in microphone, Aux in (3.5mm audio input), Wireless range:33 feet. Adjustable headband and earcups for better fit and more comfort, fold for travel. Controls: volume up/next, volume down/previous, play/pause/answer phone, pairing, power on/off.