Features:
* Wireless headphone
* FM radio
* Wired headphone
* Wireless online chat
* Monitoring


SPECIFICATION:
*Transmitter
Transmitting frequency: 84~87MHz
Power supply: AA DC 1.5v batteries 2pcs               
*Receiver
Receiving frequency: 84 ~ 108MHz
Max receiving range: 30m
FM radio frequency: 88~108MHz