Let’s Play The Guessing Game

Just by looking at this Pre-Picture can you guess what the item is?
The explanation is in the Permalink, but be honest with yourself and tell me what exactly did you think this was?
Those who got it RIGHT! Pat yourself on your back!

This is the R-1, a simple analog radio. No fuss device! Roll it back and forth to control the volume or to turn it off; roll it side to side to change the channels.

Designer: Ilgu Cha