The perfect accessory for the SENA SPH10 Series. The SPH10 is a Bluetooth 3.0 stereo headset with a long-range Bluetooth intercom designed specifically for motorcycle riders who prefer a smaller form factor for maximizing their riding performance| yet maintaining the rich features of a Bluetooth intercom. With the SMH10R| you can call hands-free on your Bluetooth mobile phone| listen to stereo music or voice instructions of GPS navigations by Bluetooth wirelessly| and have intercom conversations in full duplex with other riders.