The SMH10R has a smaller form factor and operates using only 3 buttons, the plus (+) button, the center button, and the minus (-) button.
- The battery for the SMH10R is external and can be installed on the backside of the helmet whereas the SMH10 has an internal battery.
- The SMH10R comes with the Universal Microphone kit whereas the SMH10 comes in two different packages, the Speaker- Microphone Clamp Unit - Basic Kit (SMH10-10) or the Speaker-Microphone Clamp Unit with Universal Microphone Clamp Kit (SMH10-11).
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