VCAN Blinc Kie Bluetooth Helmet Communication Module (Black) Wireless headset for Bluetooth connectivity to cell phones, GPS, and other Bluetooth enabled electronic devices Easily attaches to any helmet Bike-to-bike intercom for rider and passenger or two separate bikes up to 1600 feet Up to 7 hours of talk time when connected to a cell phone and up to 140 hours of standby on a single charge Great for streaming music from your cell phone, listening to GPS instructions, calling out and receiving phone calls