Sena SMH3 Bluetooth Headset and Intercom Bluetooth 3.0 stereo headset with Bluetooth intercom designed specifically for motorcycles Two-way intercom system with a distance up to 200 meters or 220 yards Unibody Design and Two-button User Control; Voice prompt- allow riders to operate functions such as GPS, volume control, mobile phone calls and more Built-in SBC Codec; Noise cancellation Two-year warranty