The Sena Technologies TuffTalk M is the perfect way to stay in touch or just while flything through the trails. This over the ear headset offers great noise reduction in addition to it's bluetooth capabilities. Even if you don't have a smart you can still chat with your friends hands free! Enjoy up to .7 miles of mesh range over an 8 hour period and 9 different channels.; Pairs up to 24 users Dynamic mesh intercom system 9 Via mesh bluetooths Hands free .7 Mile range Works with or without smart phones Noise reducing over the ear cups