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
Q'ty:20pcs/ctn
G.W:11.5 kgs
N.W:10 kgs
Size:55*45*46cm