The Shark Sharktooth Prime Bluetooth Hands Free Communication Kit allows you to enjoy the feeling of riding your motorcycle while remaining connected to your phone for listening to music, following the directions of your GPS, and making or receiving calls. Easy to assemble, SHARKTOOTH PRIME also serves as an intercom linking driver with passenger or one motorcycle with another. Sold individually - one kit required per user.Extra slim and very high quality headphonesA2DP (Advanced Audio Distribution Profile) stereo music 100% waterproof external control system featuring minimal encumbrance: both discretion and maximum safety guaranteedRechargeable battery (USB micro port)8 hours of autonomy in conversation modeTechnically sophisticated microphone with a swivel armDSP (Digital Signal Processor) technology reduces background noise and ensures top voice qualityErgonomic amenity: managing all functionalities via just two external buttonProgramming assistance with a Red and blue lightUltra l