... and Small Order Portable 5 in 1 wireless headphone1,Works freely with PC,MP3,TV,MD,DVD etc2,High Sensitivity, interference ... Lock channels automatically2, Wireless HeadphoneWireless reception from any electrical device with audio output such as full-channel TV sound, PC, ... TV program but you worry about disturbing others?Watch TV with this wireless headphone, enjoy yourself without disturb others, ...