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Float Mode)
Voice-Activated Digital Assistant Access
and shoulders increase mobility
Integrated LED lights indicate device status and flash red if a crash occurs
Bomber style 450 denier nylon chassis
Sena SF4 Bluetooth Headset Single HJC Full Face Helmets Group Float Mode)Rider to Passenger or Small Group Communication For riders looking to communicate with their passenger, the SF2 provides simple Rider to Passenger 2 way intercom communication up to 800 m (880 yards) in open terrain. For those who ride in small groups, the SF4 is equipped with 4 way intercom over 1. 2 kilometers (0. 8 miles). Both models let riders enjoy smartphone connectivity. Riders can listen to music and use the intercom simultaneously using the
