inputs.text: impressive bang buck - like listening mp3 player car car stereo connection doesnt always work went looking portable speaker reliable way listening wanted something reasonably priced hopefully wouldnt require endless supply batteries also wanted something adequate volume heard highway noise reading reviews ayl decided would probably decent affordable option particularly liked rechargeable usb connector one car little speaker surpassed expectations uses single cable connect sound source usb jack power volume controlled sound source definitely adequate needs connected laptop gives better volume laptop speakers downside ive noticed connecting usb car produces audible hum not case connected laptop acusb converter plug charge lasts 12 hours ill get around fine