Specifications: Fashionable design, unique style.This tongue nail vibrates on your tongue for fun and mischief.Type: tongue nailTopic: BeautyGender: women, menMaterial: Stainless steel Power supply: 2 button batteries (included)Style: fashion, punkOccasion: daily life, clubs, gifts, parties, barsFeatures: Hammer shape, vibration, body piercingJewelry dimensions: 0.16cm x 1.8cm x 0.5cm/0.06" x 0.71" x 0.20" (approx.)Note: Due to lighting and screen settings differences, item color may vary slightly from pictures. Please allow slight size differences due to different manual measurements.Packing list: 1 tongue nail 2 button batteries