Sena - Did you know? (4) 20S Audio Multitasking http://www.sena.com/promo/20s What is Audio Multitasking? "Audio Multitasking allows you to have an intercom conversation while simultaneously listening to music, FM radio, or GPS
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Amazon.com: Sena 20S-01 Motorcycle Bluetooth 4.1 Communication System with HD Audio and Advanced Noise Control (Single) : Electronics
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