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Amazon.com: Cardo Systems Freecom Hard Boom Audio Kit Bluetooth 3.0 / IP67 Certified with Up to 10 Hours Talk Time/ 1 Week Standby SPPT0004 : Electronics
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Cardo scala rider FREECOM 4 Duo - Bike to Bike Bluetooth 4.1 Motorcycle Communication System with HD Audio, Connect with up to 4 riders (Dual Pack)
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