YAMAHA Music Sequencer QY22 - For Sale (As Is) Includes shipping 3,870 yen Instruction manual included Adapter included Case included This is a product with issues. It is considered junk, so No returns or complaints will be accepted. Sequencer QY22 The internal battery is showing "Low," so it needs to be replaced. Also, there was battery leakage from the AA batteries, so it's dirty. I wiped it off, but it's unknown if the batteries can still be used. I touched some parameters with the power adapter, and the display changed on the LCD, but I haven't tested the MIDI output. It is currently sold as is, so please consider this if you can replace the internal battery or need parts. Yamaha Sequencer Rhythm Machine Noticeable scratches and dirt