Can a sound amplifier combine performance and good looks? This one can! The chalkboard black Boom Bowl amplifies sound from your cell phone or MP3 player by more than 15 decibels and the quality is crystal clear. It's portable and you can even write on its chic black chalkboard finish. The Boom Bowl is made from acoustically designed ceramic and is compatible with most cell phones. You simply place your device inside the bowl, and voila, the sound is amplified. You'll be amazed by the incredible difference it makes. Give it a listen!