Kushina Bt Interphone Bluetooth Motorbike Motorcycle Helmet Intercom Headset 800m Rider to Pillion 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. Up to 10 hours talk time when connected to cell phone. Up to 6 hours talk time when using the intercom feature. Up to 300 hours standby Call out, call answer, call reject, call hang up.Receive a cell phone call automatically . Support audio transfer.Connect GPS Enjoy the cell phone music through A2DP,Control cell phone music through AVRCP: forward, backward, play, pause . Automatic switching among bluetooth cell phone, intercom, stereo music. With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed. Button panel is water-proof and sun-proof, while the design is durable.