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  1. Sena Charging: 12V or 5V?

    Intercom, CB, & 2-Way Radios
    I am looking to get the Sena SMH10R and looking for a charging option while riding. The manual says that you can use any micro USB cable into the main unit. I was looking at the accessories and found a cigarette charger, but the note on the page has me questioning the power required for...