Darth Vader Breathing Device.Includes: One Darth Vader Breathing Device.Available Size: One Size Fits Most Adults, Teens and Children. *Battiers, Costume and Accessories Not Included. Sold Separately. The dark lord of the Sith has never sounded so good! With this Darth Vader Breathing Device, any costume or mask you wear will sound like the real thing! Includes 2 pieces. Attached by wire. Speaker for placement inside your mask and button to hold, for ease of turning the "breathing" on and off. Requires 2 AAA batteries, sold separately. Be sure to check out our licensed Darth Vader costumes and masks, for both kids and adults! Anyone you come across better have the force on their side!