Brand N/A Model BT-12081 Quantity 1 piece(s) Material ABS Color Black Type Electronic Device Function Supports MP3 + FM + intercom 100 meters Intercom Function Yes Intercom Effective Distance 100 meters FM Frequency 87.5~108 MHz Speaker Power 0.3 W Power Supply 500mAh li-ion battery Working Current 500mA Other Features Communication in 2 riders; Up to 120km/h working speed; The Bluetooth system that allows the max. call distance between two riders up to 1200m; Continuous call or music playing above 8h; Safe auto receiving cell calls; Advanced A2DP & EDR Bluetooth profile; Master BC5 CSR Bluetooth solutions; Support GPS Ipad and other Bluetooth devices; Strong music / audio function (transmits from A2DP enabled cellphone / MP3 / GPS); Wind noise DSP cancellation; National level 5 waterproof standard; Real full duplex wireless communication in 4 riders by Bluetooth system; FM radio available; Standby time: 240 hours charging time around 3 hours Packing List 1 x Earphones and microphone in component (85cm-cable) 1 x Interphone (4.5cm-antenna) 1 x 5V EU plug charger 1 x USB cable (49cm) 1 x Fixed accessory 1 x English user manual