The Sena 20S Evo is the next generation of the original 20S, with an updated design and improved intercom functionality and stability to keep up with your ride. The 20S Evo was designed with a fixed type, shark fin antenna as opposed to its predecessor with the flip up antenna. This sleek new antenna design improves upon intercom stability and even secures the intercom distance while updates to the hardware allow for an even more robust general performance updates. The Sena 20S Evo is the top of the line of the world\'s leading brand in Bluetooth communication kits. Keep in touch with up to 8 riding buddies thanks to the Group Intercom feature. The 20S Evo allows up to 2.0 km (1.2 miles) of distance between each other. Audio is in crystal clear HD, supported by Sena\'s top model speaker earphones. The Advanced Noise Control feature ensures ambient noise doesn\'t interfere with incoming and outgoing audio. One of the key features that makes Sena the best choice on the market, is the Universal Intercom protocol. This allows the Sena kit to pair to different brand Bluetooth communication systems. If you and a couple of friends do have Sena headsets, but one of your buddies doesn\'t, no worries! He can still join the conversation because the Universal Intercom protocol allows up to 1 non-Sena headset to be included in the group chat. Operating the Sena 20S Evo is amazingly simple: the new user interface even allows hands-free voice commands for complete control. Pair the 20S Evo 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.