Specifications:Fashion design and unique style. This tongue stud vibrates on your tongue for fun and mischief.Type: Tongue StudTheme: BeautyGender: Women 39;s, Men 39;sMaterial: Stainless SteelPowered by: 2 x Button Batteries(Included)Style: Fashion, PunkOccasions: Daily Life, Club, Gift, Party, PubFeatures: 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 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 Stud2 x Button Batteries