This is a cute little four track sequencer that more or less fits in your pocket. At least if you're in cargo pants, it definitely fits. You can create little drum patterns and loops, add in layers of sounds and make quality backing tracks etc all on the fly, as it runs on batteries to boot. 

Model: Roland MC-101 Groovebox
Made: Malaysia, recent model
Serial: Z5K1279
Finish: black
Weight: 0.5kg approx
Accessories: power adaptor, manual

Cosmetic condition notes: minimal wear. 
Overall: excellent condition (9/10)

Playing condition notes: presents close to as-new.