Warranty: All Excelvan intercoms have 1 year warranty, 100% satisfaction and zero hassle returns guaranteed.</br>Distance: Wireless Bluetooth intercom between separated riders is available at a distance about 1.2km/0.75mi.</br>Riders: Full duplex interphone supports 6 riders, a host and 5 auxiliaries. Once upon pairing, the host can choose any one of the 5 to talk to. Bluetooth 3.0 connectivity can listen to and share music, make phone calls with speed dialing, and participate in a four-way intercom conversation.</br>Noise: Advanced Noise Control technology cuts down on background noise for both incoming and outgoing audio.</br>Time: Universal protocol for cross-brand intercom compatibility. Up to 8 hours talk time and 10 days stand-by time for a single charge.</br></br>Product Description</br></br><b>Introduction:</b><br> ●This interphone is designed for the motorcycle rider and passenger who wish to have clear and reliable wireless communication while riding.<br> ●The headset is compatible with Bluetooth cell phones, GPS, mp3 and suits for almost all sort of helmet for motorcyclists.<br><br> <b>Features:</b><br> ❶Full duplex interphone. Support 6 riders in pairing, a host and 5 auxiliaries. Once upon pairing, the host can choose any one of the 5 to talk to.<br> ❷Wireless communication between rider and passenger on back seat.<br> ❸Hand-free for your capable cell phone, enable your driving intently and safely.<br> ❹Wireless Bluetooth music receiver and speaker, enjoy streaming music from cell phone or other devices through A2DP.<br> ❺Wireless headset for Bluetooth, enable cellphone at a range of up to about 10m33ft.<br> ❻Automatic switching among Bluetooth cell phone, intercom, stereo music.<br> ❼Wind noise DSP cancellation guarantees crystal clear voice at high speed.<br> ❽Advanced A2DP and EDR Bluetooth profile.<br> ❾More stable structured button panel shows better waterproof performance.<br> ❿Receive the audio navigation message from your Bluetooth enabled GPS.<br> ⓫Easy installation and operation, fits all kinds of helmets (open/ full/ half face). Ideal for any motorcycle helmet and skiing helmet, won't damage it.<br><br> <b>Specification:</b><br> ●Production Dimension: 8.5x4.5x1.5cm/3.3x1.8x0.6inch<br> ●Battery Type: Li-ion<br> ●Battery Capacity: 530mAh<br> ●Power Supply Unit: 5V USB<br> ●US Plug Input: AC 100-240V/Output: DC 5V<br> ●Working Speed: Up to 120km/h (75mi/h)<br> ●Charging Time: Approx 3 hours<br> ●Waterproof: National Level 5<br><br> <b>Package Included:</b><br> ●1x Screw Drivers<br> ●2x BT Motorcycle Helmet Bluetooth Intercom<br> ●2x Ear Speaker and Microphone<br> ●2x USB Cable<br> ●2x Headset Clip<br> ●4x Fastening Screws<br> ●4x Felted Adhesive Earphone Pads<br> ●1x User Manual</br>