Disney Frozen Anna & Elsa Cool Tunes Sing Along Boombox With Microphone With Built In Tunes or Connect Your MP3 Cool Tunes: Grab your Frozen Cool Tunes Sing Along Boombox and rock out to your favorite music. Sing your heart out to Anna and Elsa's favorite built in tunes or your own awesome music by connecting your MP3 player. Anna & Elsa's FAVORITES: Sing along to some favorite Frozen songs like "Let It Go", "In Summer", and "For The First Time In Forever". Real Working Mic: Whether youre a rockstar or a princess you can use Anna & Elsa's real working mic to sing all of your songs. Use Your MP3 Player: Connect your MP3 player and play whatever songs you like. Store your MP3 device in the back compartment of your boombox and take the boombox by the handle wherever you go. Perfect Gift: This will make the perfect birthday gift for your little princess. The product only plays a portion of the songs.