The Sandisk Sansa Shaker 1GB Digital Player lets the younger people in your life enjoy their favorite MP3s, too. It has a built-in speaker to enjoy music without ear buds, so you can listen with your friends and family. It also comes with two headphone jacks for sharing. An expansion slot accomodates SD cards loaded with your favorite music. Changing songs on the Sansa Shaker is simple and fun. You can impress your friends by shaking the device to jump to the next song, or use the colorful controller bands for forward and backward changing as well to manipulate volume. You can select between a sporty blue or sweet pink Sansa Shaker. Yhe player comes equipped with a USB cable, lanyard, pre-loaded songs, and a colorful array of stickers so kids can customize their device. One AAA battery is included which allows up to 15 hours of music life, so you can depend on it to last through long road trips, errands, and homework sessions.