Chalkboard Boom Bowl Boom Phone Sound Amplifier dp B06 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 Reviews 44 Chalkboard Boom Bowl smartlivingcompany chalkboard boom bowlIt 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 bowl ceramic chalkboard blackWith its matte silver finish this Boom Bowl blends well into any d cor and it s portable so you can take it anywhere It s compatible with most cell phones and Chalkboard Boom Bowl Sound Amplifier Black Chalkboard dp DecoFlair Cell Phone Sound Amplifier Ceramic Boom Bowl French Grey 4 2 out of 5 stars 45 3 offers from 27 45 Hj Scott CRB Bowl Style Cone Chalk Holder 4 1 out of 5 stars 31 19 99 31 03 Next Custo