The Sandisk SR Slot Radio Billboard card is a portable media player that plays MP3 files from a microSD card. It features a black color and has a Billboard Oldies band with 1000 songs included. With a 2nd generation design and 15 hours of battery life, this media player is perfect for listening to your favorite oldie music on-the-go. The SanDisk brand ensures quality and reliability, while the compact size and connectivity through microSD make it easy to enjoy your music anytime, anywhere.