inputs.text: sansa speakers - bought item didnt wear earplugs fishing boat plays loud enough heard motor isnt running since dual speaker unit control mode speakers control volume bass treble etc sansa player mp3 ipod model works speaker onoff switch top edge blue light lets know running three batteries sound little tinny could get bass adjusting sansa player help compensate also use im working indoors isnt stereo handy three batteries lasted three days eight hours day recharge sansa players internal batteries every night unit played strong day without replace three batteries pros unit 1 small size size large grapefruit still plenty loud enough listen work office cubical etc room house base unit flat flange stores batteries prop vertically 2 good battery life three aa batteries lasted 30 hours recharge sansa player macally speakers last days 3 good construction ive dropped unit 6 times 8 monthsthree boat wave bouncing keeps playing without problem dent problem ive unit dropped hard kitchen floor onoff switch wont turn reverse one three batteries make shut note blue light use sansa players wrist strap walk around solve problem cons 1 sound \\tinny\\ good small unit tends little \\tinny\\ unless modify base treble etc sansa player sansa player also controls volume 2 no attachments backside hang strap slot would nice summary im pleased product robust enough bounced around loud enough still play privately indoors cubicles bedrooms small enough put backpack camping boating flying etc good product kids