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Are you using the new Sena on the side of helmet
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I am indeed Leo, all video and sound is recorded using the Sena 10C attached to the side of my helmet.
The Sena 10C has all the same features as the other Sena headsets but also has a video camera built into it

It records your microphone and can be set up to record others that you are talking to (like Diesel in video 3) and music you are listing to.
Anyway if anyone has any questions regarding this unit let me know

Thanks again everyone

Cheers
Shiney