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Sena Bluetooth Audio Pack with Waterproof Housing for Gopro Hero3 and Hero3 Hero4 Built-in

Product Description :
Compatibility Gopro Hero3 and Hero3
Talk time 3 hours
Stand-by time 3 days
Working distance intercom up to 100m 32808 in open terrain
Operating temperature -10 to 55 degC 14 to 131 degF