SOUND LIKE BATMAN: Now you can talk just like Batman. With the Voice-Changing Mask on, speak normally and the voice changer will automatically change your voice to Batman’s commanding voice OVER 15 SOUNDS: Push the button on the side of the mask to activate the sounds and blue light-up eyes. With over 15 different sounds, you’ll feel just like the Caped Crusader as you play IMAGINATIVE PLAY: Suit up as Batman with the Voice-Changing Mask and play out your own exciting Super Hero missions in Gotham City. Add to your tech with the Bat-Tech Gauntlet (sold separately) The Batman Bat-Tech Voice-Changing Mask is a great gift for kids and Batman fans aged 4 and up. Includes 3 AAA Duracell batteries. Become the ultimate Super Hero with the Bat-Tech Voice-Changing Mask Includes: 1 Bat-Tech Voice-Changing Mask, 1 Instruction Guide