Specifications:Fashion design and unique style. This tongue stud vibrates on your tongue for fun and mischief. Type: Tongue StudTheme: BeautyGender: Womens, MensMaterial: Stainless SteelPowered by: 2 x Button Batteries(Included)Style: Fashion, PunkOccasions: Daily Life, Club, Gift, Party, Pub Features: Hammer Shape, Vibrating, Body Piercing JewelrySize: 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 items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Tongue Stud2 x Button Batteries