Features:                                                                      *Wireless headphone functions                                    *Headset with FM radio function                               *Wired or wireless headphone                                  *Wired online chat                                                     *Super bass                                                Specifications:                                                            *Transmitting frequency: 83MHZ                                   *Receiving frequency: 83~108MHZ                              *Receiving range: 30m                                            *FM radio frequency: 88~108MHZ                                 *Power supply: AAA DC 1.5V batteries 2pcs x 2