I know this is still tethered to the bike, but to prevent me from having to install 4 speakers in my helmet I went with this. https://www.amazon.com/gp/product/B01JUXP9SK/ref=od_aui_detailpages00?ie=UTF8&psc=1 Maybe later I will try the freewire. I just do not want to spend that much just for the CB.