Ozone Orgasmic Tongue Red Vibrator features 10X of vibrations. Ultra powerful. Rechargeable. USB port. Tongue vibrator features: 10 functions. 100% silicone. Ultra powerful. USB controller. Waterproof vibrations. Phthalates free, RoHS compliant materials: Sleeve 100% Silicone, Controller, bullet vibrator ABS plastic. Charging period: initial charging time 8 to 10 hours, Subsequent charging time 2 hours. Estimated time of use when fully charged: 60 minutes. Total length 4.75 inches, insertion length 1.5 inches, diameter 1.5 inches, circumference 5 inches. Attached power cord length 32 inches. Rechargeable, no batteries necessary.