Introduction: ●This interphone is designed for the motorcycle rider and passenger who wish to have clear and reliable wireless communication while riding. ●The headset is compatible with Bluetooth cell phones, GPS, mp3 and suits for almost all sort of helmet for motorcyclists. Features: ●Advanced A2DP and EDR Bluetooth profile. ●Receive audio navigation message from Bluetooth enabled GPS. ●More stable structured button panel shows better waterproof performance. ●Wind noise DSP cancellation guarantees crystal clear voice at high speed. ●Fit all kinds of helmets (open/ full/ half face). Ideal for any motorcycle helmet and skiing helmet. ●Full duplex interphone. Support 6 riders in pairing, a host and 5 auxiliaries. After pairing, the host can choose any one of the 5 to talk to. ●Wireless communication between rider and passenger on back seat, hand-free for answearing cell phone, enable your driving intently and safely. ●Wireless Bluetooth music receiver and speaker, enjoy streaming music from cell phone or other devices through A2DP. ●Wireless headset for Bluetooth, enable cellphone at a range of up to 10m/33ft. ●Automatic switch among Bluetooth cell phone, intercom, stereo music. Specification: ●Color: Black ●Chip: CRS BC5 ●Bluetooth vision: 3.0 ●Battery type: Li-ion ●Battery capacity: 530mAh ●Working speed: Up to 120km/h ●Talk time: Up to 8 hours ●Standby time: Up to 240 hours ●Charging time: Approx 3 hours ●Working temperature: -10℃—+45℃ ●Waterproof: National Level 5 ●Production dimension: 8.5x4.5x1.5cm/3.3x1.8x0.6inch Package Included: 1 * Excelvan BT Motorcycle Helmet Bluetooth Intercom 1 * USB Cable 1 * Headset Clip 1 * Screw Drivers 2 * Fastening Screws 1 * Ear Speaker and Microphone 2 * Felted Adhesive Earphone Pads 1 * User Manual