Check the listing for details. Cellularline Interphone BTStart Bluetooth Intercom Pack of 1. Color: Black, Condition: New. Listed at 26.99 USD. MSRP $99.99 Enhance your movements around the city with the Interphone Start, which includes a dual stereo headset for a more crisp sound, Bluetooth ® connection to smartphones, and GPS navigation for added security, with an incredibly slim and elegant design. The Interphone Start offers compact dimensions and unprecedented functions. This particular design makes it easy to use, while ensuring maximum water resistance, even in adverse weather conditions. Simplified installation is made possible with the help of adhesive for fastening to helmets, boom microphone, and no wires between the control unit, microphone, and headsets. It is equipped to receive software updates that ensure maximum compatibility with other devices and a long, operational life. General Features• Talk time: up to 4 hours• Standby: 12 hours• Charging time: 2 hours Intercom Mode• Rider-to-passenger Intercom Range• Up to 32 feet Mobile Phone• Voice call (depending on mobile phone model)• Last number redial GPS• Compatible with most major Bluetooth® navigation devices for motorcycles• GPS voice instructions• Compatible with most major smartphone navigation apps MP3/Music• Wireless MP3 music (A2DP/AVRCP) through Smartphone and MP3 player Firmware Update• Firmware update-ready directly from PC (Windows) Waterproofing• Water resistant Audio• Directional wind-proof microphone• Noise Dependant Volume Control Chipset/Battery/Charger• Bluetooth® version 3.0• USB connector charging cable (MICRO USB)• Micro USB connector for charging and data Pack Contents• 1 Bluetooth® unit- 1 boom microphone- 2 1.5” diameter stereo speakers(0.30” thickness)- 1 slim controller pad• 1 adhesive Velcro for controller pad• 2 adhesive Velcro for earphones• 1 micro USB charging cable Dimensions• Weight: 0.10 lbs / 46 grams• Length: 1.8 inches• Height: 1.03 inches• Depth: 0.39 inches Product contained herein has chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information www.p65warnings.ca.gov