First International Digital has announced the MusiCase, a new iPod accessory that combines two powered stereo speakers with a carrying case. The MusiCase features a nylon exterior, two inside mesh pockets to hold an iPod and/or an iPod shuffle, and two internal speakers (1.8” and 1.1”) powered by a built-in three-watt amplifier. It also features a belt loop and a detachable carrying strap. The $19.99 device runs off of two AA batteries, which provide approximately 15 hours of music. Though targeted at iPod users, the device is compatible with any MP3 player.