Amplify your music without batteries, or a bulky stereo. Simply place your cell phone, MP3 player, or mini-speakers into this acoustically designed ceramic bowl and you'll be amazed by the incredible sound difference it makes! Sound is amplified by +15 decibels, without batteries or power of any kind! Compatible with most cell phones and mini smart speakers, it's portable and basically turns your phone into a little stereo.
Size: 4.25" H x 5" diam.
Materials: Acoustically Designed Ceramic