STONI is compact and ready to travel. Remove the cap to reveal the USB Connector. To charge, simply plug right into any USB port, with no charging cable needed. Coated with Silicone for a body safe experience, STONI features 10-vibrating functions, and is splash proof and includes Maias 1-Year Limited Warranty. Features10 Vibration LevelsCoated in Body Safe SiliconeSplash ProofL = 4-3/8, W = 7/8, Insertable Length 2-3/81-YEAR WARRANTY