the worlds first high powered magnet speaker that locks onto any metallic item and stays positioned. Awesome bass with impeccable clarity and sound (15 watts). 20 hours of play time and a new super range of 200+ toes. Get 2 speakers in case you need to apply the stereo join feature wherein you may pair 2 audio system to 1 tool. Audio system are extremely good rugged with drop take a look at over five feet.