Features:
* Double frequency Wireless headphone
* Wired headphone functions
* Super bass
* Mutil-headphones can share one transmitter
* With DC 12v input socket
Transmitter
Transmitting frequency: 75-76.5MHz
Power supply: DC 9v battery or DC 12v
Receiver
Receiving frequency: 74~80MHz (F1, F2)
Max receiving range: 30m
Power supply: AAA DC 1.5v batteries 2pcs