inputs.text: great sound portability access - simply put buy spent hours researching portable speakers wanted great sound quality portability affordability got pros included source speaker cord 3 length included usb cord charge battery play sd cards usbs mp3sipods great sound small unit lightweight portable auto power shutoff 5 mins nonuse volume control housing mute button cons wish battery rated 6 hours favorite feature usb port created usb car wishing small speaker usb port selling point speaker compared brookstone mini speaker 30 small speaker terrible also compared phillips portable speaker systehem phillip great sound quality would say rivals sound quality bass not good may liked adequate given size speaker treble good no distortion played high volume 38 steal