This is the Original Lexin FT4 Bluetooth helmet intercom.
Featuring a four rider long range intercom with premium sound quality and crystal clear voice functions, this kit includes all accessories needed to fit open face, modular, and full-face helmets. Using the FT4, riders can take/make calls through mobile phones, listen to stereo music or voice instructions from GPS, listen to FM radio, and much more. Hear your Tunes or your calls at any speed, any vehicle.