inputs.text: great idea poor quality design - reviews pro con summarypros cheap micro sd capabilities portabledoesnt take much spacecons speaker terrible hear static via micro sd usb etc even background level volumes charge cable usb really needs wall adapter like cell phone dies 34 hours not really practical extended use skip track volume one button hold change volume usually results huge increase decrease volume finger slips bumps skips trackssummary bought infant son background music help sleep white noise machines worthless kids chose due compact really liked idea able pop 32gb micro sd card tons lullaby type songs turn night without cd listen wasnt expecting great quality given price less 15 figured would fine background level music really disappointed speaker started crackling low volume levels whole shared volumeskip track button pretty low blow keep costs couldve added grooved rotary volume side panel speaker added 5 cost wouldve well worth keep thing going night took wall adapter cell phone charger wasnt using works night battery isnt strong enough hours use really though needed reputable manufacturer ie boise panasonic jvc take idea put build quality amazed not one big name manufacturers anything like seems many could get good use compact music device micro sdusb plug dontthough want compact one unit like good gets