This little guy attaches via magnets to the back of your acoustic, and then adds effects like delay, chorus and more to your guitar without you having to plug into an amp or floor unit. Clever hey?

Model: ToneWood Amp v1
Made: China, recent model
Serial: B17-22339
Type: guitar multiple effects processor
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: none

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