Star Wars Darth Vader Voice Changing Boombox Connects to MP3 Player Darth Vader Phrases Sound Effects from the Star Wars Saga and More Sing along in Darth Vader's voice to your favorite songs by connecting your MP3 Player Change your voice to Darth Vader and join the dark side Sound effects from the Star Wars saga Darth Vader phrases Perfect Gift: This will make the perfect gift or birthday present for your little one.