This water repellent semi-hard EVA case, safely stores your iPod inside, away from environmental hazards, and allows full control of your iPod by simply tapping the graphics on the outside of the case. Listen to your music privately with headphones or share your tunes with your buddies through the ultra-thin NXT speaker built right into the shell! Also features a key hook in the back. Requires 2 AAA batteries (Not included). Product Dimensions: 4" x 5 1/3" x 2 1/4"