Or we could just use cheep, reliable, very secure in comparison hardlines between the earbuds and the mobile and not worry about carrying around and keeping man

Or we could just use cheep, reliable, very secure in comparison hardlines between the earbuds and the mobile and not worry about carrying around and keeping many computing packages powered via battery and somehow synchronized. Edit: None of the other mentioned things //should// be disposable, which is why my mind went directly to cheep crap you buy on vacation because you forgot or broke the real thing.