Great-sounding, easy-to-use rhythm box designed for acoustic musicians Filled with simple, tasteful grooves to support and enhance unplugged music styles Seven simultaneous instrument categories include everything from tambourines, shakers, and congas to full drum set, sound effects, standard metronome, and many other sounds Aux input enables use as a speaker for a smartphone or other audio player Powered by six AA-size batteries or included AC adapter Instant backing group!