Guyatone were doing tiny pedals before it was cool. This one is a gnarly little octaver. One and two octaves down, as well as a fun switchable filter to change how the snarl hits. It's got a bit of a synth squarewave type sound to it, it's a whole lot of fun. Plus, very tiny and adorable.

Model: Guyatone Mighty Micro MOm5 Octaver
Made: Japan, recent model
Serial: 12051091
Type: octave
Power: standard 9v DC negative power supply or 9v battery (not included)
Equivalent new street price (approx): N/A
Mods: none
Accessories: none

Condition notes: used, no major marks. Tested and fully functional.
Overall: very good condition (8/10)