Temium headphone hi-fi wireless brandnew!! -

Transmission mode: UHF stereo Carrier frequency: 863 MHz Operating voltage: Transmitter - 12V/ 200mA ; Receiver: 2.4V Frequency response: 30 Hz - 11kHz Distortion: 1% Range: 100 meters (open areas) perfect for: football fan, musicien...you can listen to your music,or match without disturbing others around.