The TDK Out Loud Vtg 12 CD Carrying Case and Integrated Portable Speaker is a square-shaped black portable speaker system with a compact design, perfect for on-the-go use. It features a 12 CD case with integrated speaker, compatible with portable CD and iPod devices. Powered by 2 AA batteries, this speaker system offers stereo 3.5mm mini plug audio connectivity and is lightweight at 13oz. The TDK Out Loud model includes audio inputs for 3.5mm jack and L-shaped stereo mini plug, making it versatile for various audio devices.