Pulled from working environment Tested and works perfect Includes music disc shown (Adult Piano Adventures) Nice condition showing no damage Increasing the widespread use of interactive music files, the MT-90S Music Player is a Standard MIDI File-based Music Tutor which features a new compact design and backlit LCD. Its easy operation and unbelievably low price makes it easy for all music learners, educators and performers to learn, teach and play with interactive music disks. Plays Back Standard MIDI Files Using the internal 3.5-inch disk drive, the MT-90S can load commercially available Standard MIDI File disks and play them back through the internal speaker. Song data can then be played back at any tempo including part mute capability. A high-quality GM2/GS sound engine provides realistic instrument sounds that make practice and performance fun. SMF Lyric Display When used with compatible disks, the new backlit LCD can display SMF song lyrics in real time. And by connecting a microphone, you can transform the MT-90S into an instant karaoke machine complete with a built-in echo effect. Portable and Easy To Use The MT-90S features icon-based buttons and a user-friendly 16x2 character backlit LCD, making common operations such as playing songs, muting parts, or changing tempo and musical key as easy as using a metronome. Lightweight design and a built-in grip handle make it possible to practice virtually anywhere.