This black Vizio VSD210 remote control operates a High Definition Audio Dock Speaker System. The Vizio VSD210 remote has buttons for power, volume up and down, skip, play, pause, input, and mute.
In addition to the VSD210 model number there is also this number on it: 1023-0000080.
This Audio Dock Vizio VSD-210 remote control uses a CR2032 coin cell battery.