The Aroma AG-15A Amp can be used for ukulele or guitar. It is fitted with a rechargeable battery which can be charged from 240V or USB or a power bank. it also have bluetooth connection for playback. This amp is in the sweetspot for size and output. Its convenient to take with you anywhere but packs ample power when needed. It's very nice on the eye too. Checks all the boxes for me. Very good value.