Specifications: Fashion design and unique style. This tongue stud vibrates on your tongue for fun and mischief. Type: Tongue Stud Theme: Beauty Gender: Women&39;s, Men&39;s Material: Stainless Steel Powered by: 2 x Button Batteries(Included) Style: Fashion, Punk Occasions: Daily Life, Club, Gift, Party, Pub Features: Hammer Shape, Vibrating, Body Piercing Jewelry Size: 0.16cm x 1.8cm x 0.5cm/0.06" x 0.71" x 0.20" (Approx.) Notes: Due to the light and screen setting difference, the item&39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tongue Stud 2 x Button Batteries