Powered by RioRand Advanced Technology 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 ；Dial the last number ；Support audio transfer. Enjoy the cell phone music through A2DP or connect GPS；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. 2X Waterproof BT Motorcycle Helmet Intercom Headset 800m For Ski/ ATV/Motorcycle Sports Overview -This bluetooth interphone is a Bluetooth Headset designed for the motorcycle rider and passenger who wish to have clear and reliable wireless communications while riding. This headset is compatible with Bluetooth cellular phones and can be suited to any sort of helmet for motorcyclists. -This device allows bikers to receive GPS voice instructions, communicate with the passenger on the back seat, to conduct calls on their mobile phone and listen to the music or their MP3 player. Last but not least, the device offers biker-tobiker intercom communication. This headset works with any Bluetooth equipped mobile phone. Designed and Engineered for Heavy-Duty Performance. Bluetooth Hands Free and Wireless Streaming Music(A2DP) -It is with hand free for your mobile phone, enable you drive intently and safely. Support answer or reject coming call, also re-dial the last call and auto receive a call. -You can enjoy favorite music via your bluetooth cell phone,iPad,iPhone, Bluetooth GPS or other device with bluetooth A2DP streaming. -Support volume /-,Play/Pause, next, last one GPS Voice Navigation Supported If the GPS is with bluetooth, you can transmit the voice navigation to the intercom headset. Bluetooth Intercom Up to 800M long distance intercom, it is still clear and noise-cancelling(at Suburb, NOT downtown ). Support 3 riders paring, but only 2 riders intercom at the same time. Wind and noise compensating microphone with super-slim speaker Up to 120km/h speed. Up to 7 hours talking time.