Handy little boost. It's pretty transparent and there's plenty of juice on tap, so if you're after a one-knob-wonder to add some steroids to your workout, here's the goods. 

Model: TC Electronic Spark Mini
Made in: China, recent model
Type: boost
Power: regular 9v negative supply (not included)
Mods: velcro attached
Accessories: original box & sticker, no manual
Condition notes: used, no major marks, very good condition