Jabra Motion
Cant speak to any of the in dash units, as I am just looking into RVing, but I have used a Jabra Motion earpiece for a few years and it works great. I can talk for at least 6 hours on a charge, and the noise cancellation is amazing. I've used it in a factory where the equipment was so loud I had to plug my other ear with my finger. The person I was talking to was asking why I was yelling, because they couldn't hear any equipment, only my voice.
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