3" W x 1" H x 4" D. Silicone. This item works by redirecting the sound from your cell phone or iPod®. By redirecting the sound it is aimed and sounds louder. Works with various sized phones. Insert your electronic device and use as an amplifier when lying down. Or prop your phone up and use as a stand. No batteries required. Phone not included. iPod® is A Registered Trademark Of Apple Inc. PAD 1C - 1.75" W x 1" H (front) White, Black, Process Blue, Grass Green, Scarlet Red ink only