If you see this acorn lying in the road then don’t assume there’s a hungry Squirrel nearby, because this nut’s actually an MP3 player. The Acorn MP3 Player: nuts The Acorn MP3 Player is described as being “fashionable and cute”, with users able to control the volume and track order using a single button. It also switches on …
I'm pretty sure that "button" is called a "joystick."
Broad leaved-trees rule - oak, eh?