Sena is the motorcycle market leader in Bluetooth technology and the Sena 20S is at the top of their food chain. Enjoy HD quality conversations with up to 7 other riders all while receiving GPS instructions from your phone or other device and while listening to music. This is the system that does it all. Bluetooth 4.1 technology delivers an extended range of ~1.2 miles and if riding for 13 hours straight is your cup of tea this should be your Bluetooth communicator because it has an unprecedented 13 hours of talk time. Advanced digital processing technology ensures high quality microphone pickup and crystal clear audio from the low profile speakers.