Bluetooth padded and adjustable over-ear design headphones are compatible with most Bluetooth-enabled devices and connect wirelessly up to 30 feet away. Integrated microphone allows hands free calls. Rechargeable lithium ion battery delivers over 10 hours of wireless playback time. Comes with micro USB charging cable, on/off switch, and control buttons. Headphones fold down for storage inside of zippered neoprene carrying case. CEC/BC, CE, FCC VOC, and FCC ID certified. Multiple color imprints require full color transfer.