Wireless headphone(SF-850)

8 IN 1 wireless headphone
product functions:
1. Wireless headphone functions
2. Headset with FM radio functions
3. wireless net chat
4. monitoring
5. wired earphone
6. super bass
7.cancelling noise
8.DC4.5V power supply. 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
Wireless headphone(SF-850)