HB-BT513-headphone (NFC-513-red) Best Audio Performance - Stereo - NFC function - Wireless Bluetooth 30 feet distance - Over the head This is Bluetooth wireless headphone, but also can be used as Wired headphone This Bluetooth headphone has convenient access buttons to play, pause, fast forward and control volume as well as a built-in mic so that you can always stay connected anywhere.design with outstanding comfort and pure wireless sound. Utilizing a 40mm neodymium driver unit, enjoy bluetooth stereo and hands free. Experience ''better than corded'' sound. With NFC function easy use! Wireless bluetooth headphone