Korg MP-BT1 MP3 bass trainer and power supply

Screen has had screen protector on it. I found a compatible power supply that is charging it and it turns on. Pretty cool vintage unit that is still useful.

The MP-BT1 is the first MP3 player designed for musicians. Based on the award-winning CD-BT1 MkII, this mobile bass trainer has enough memory to store up to 240 songs. Zip through your MP3 collection using a data wheel, dedicated buttons and a graphical backlit display. Tracks and sections can be looped or slowed down without changing the key to help you learn tricky passages. Songs can also be pitched up or down to match the tuning of your bass, so you don't have to re-tune for every song. The MP-BT1 lets you play along with multi-effects, 7-band EQ and a bass enhancement effect on MP3 playback. A chromatic tuner and a metronome are also built-in. A high-speed USB connection is used to load up MP3s and charge the built-in lithium-ion battery gives you up to 9 hours of playback time (an optional power supply is also available). All of this is packed into a player smaller than a stomp box, so you can carry it anywhere the road takes you