Full duplex interphone. Wireless headset for bluetooth enable cell phone at a range of up to 10 meters. Bike-to-bike intercom for rider& passenger or two separate bikes up to 800 meters.</br>Wireless communication between three riders by Bluetooth system.</br>Wireless bluetooth music receiver and speaker enjoy streaming music from cell phone or other device through A2DP.</br>Hands-free for your capable cell phone enable you to drive intently and safely.</br>Receive the audio navigation message from your Bluetooth enabled GPS.</br></br>Product Description</br></br>This interphone is designed for the motorcycle rider and passenger who wish to have clear and reliable wireless communications while riding. This headset is compatible with Bluetooth cell phones GPS mp3 and can be suited to any sort of helmet for motorcyclists. <br> <br> <b>Features:</b> <br> Wireless communication between three riders by Bluetooth system. <br> Wireless bluetooth music receiver and speaker enjoy streaming music from cell phone or other device through A2DP. <br> Hands-free for your capable cell phone enable you to drive intently and safely. <br> Receive the audio navigation message from your Bluetooth enabled GPS. <br> Automatic switch between bluetooth cell phone intercom stereo music. <br> With DSP echo cancellation and noise suppression technology?? crystal clear voice quality is guaranteed in a high speed. <br> Button panel is more stable structure and better waterproof performance. <br> Easy install and operation?? fits all kinds of helmets (open/full/half face). Ideal for motorcycle and skiing helmet. <br> <br> <b>Specifica