... Order Portable 5 in 1 wireless headphone1,Works freely with PC,MP3,TV,MD,DVD etc2,High Sensitivity, interference ... channels automatically2, Wireless HeadphoneWireless reception from any electrical device with audio output such as full-channel TV sound, PC, ... yourself without disturb others, sounds wonderful!!3 ,Wired HeadphoneEquipped with audio cable, the receiver can be used as a wired headphone4, ...