Each amplifier is powered by a 9-volt battery, (not included). Plug in your instrument, Iphone/tablet, and enjoy the sweet sound thru your funky amplifier. Each unit has a LED on/off light and standard 1/4 inch power cord input jack. Care is simple, just wipe with a damp rag and or furniture polish.
***This photo is just an example of a Cigar Box Amplifier. The unit you receive maybe different then the picture posted. If you would like us to email you photos of what we have in stock at the time send us an email at firstname.lastname@example.org.***