Can't you just use a smart phone with downloads, or listen to podcasts through one ear or with those bone conducting earphonesA great idea - but rather than price or 'switchonability', I'd make smallness my main objective. I've wanting to put a small TV on my handlebars for a while now (to give me something else to think about on long stretches of boring quiet roads) but have simply no idea how I'd squeeze it onto my 'handlebar console'