?Version 2021? :The USB charging port and the headset port have been upgrated from 8 pin to 5 pin,it is more convenient to charge,voice quality is more stable.The headset has soft and hard cable, suit for 3/4 helmet/ half helmet,and full helmet. ?More practical design? User-friendly and durable design with water-proof and sun-proof function, easy to connect and install, fits all kinds of helmets (open/full/half face). Ideal for motorcycle and skiing helmet. adapt to all kinds of weather. ?More excellent audio processing technology?With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed. Button panel is more stable structure and better waterproof performance. Bluetooth GPS voice navigation transmission supported. ?More Powerful?LCD Screen can display a wealth of information, more convenient for your operation. FM Radio, MP3, Water resistant, Enjoy the cell phone music through A2DP. Call out, Call answer, Call reject, Call hang up. Support the last number redialing. Automatic switching among bluetooth cell phone, Intercom, Stereo Music. Bluetooth/Audio cable to connect MP3, GPS, Walkie-talkie and so on. Support audio transfer. ?More powerful connectivity?Support high speed up to 120km/h(75mph) and maximum of 800m(875 yards) distance (open space),3 riders pairing and 2 riders intercom at the same time,provide efficient and convenient communications.
