wireless headphone 8 in1

 product functions:1. Wireless headphone functions2. Headset with FM radio functions3. wireless net chat4. monitoring5. wired earphone6. super bass                                        7.cancelling noise                                  8.DC4.5V power supply.                       Transmitter                            *Transmitting frequency: 84~87MHz Power supply: AA DC 1.5v batteries 2pcs                *ReceiverReceiving frequency: 84 ~ 108MHzMax receiving range: 30mFM radio frequency: 88~108MHz

wireless headphone 8 in 1