The well-known and trusted Sena 10S comes in an all new slimmer package. The Sena 10S allows you to keep in touch with up to 4 riding buddies up to 1.6 km (1 mile) away. Using the Universal Intercom protocol allows communication with up to 1 Bluetooth headset of a different brand. The Sena 10S comes with high quality stereo speakers which provide clear and precise HD audio in every condition. The Advanced Noise Control ensures ambient noise doesn't interfere with incoming and outgoing audio. Operating the Sena 10S is amazingly simple: the new user interface even allows hands-free voice commands for complete control. Pair the 10S to your Android or iPhone with the Sena app and gain easy access to device settings, updates and the Quick Guide. You can also connect your phone to the Sena for convenient hands-free calling.