Super Powerful Zinc Alloy USB Rechargeable Vibrator. Overview 8 vibration modes with 3 different intensities for each mode. 1 hour of charging = 1.5 hours of use Water resistant L139mm, Diameter 39mm * The product body temperature will be 113 degrees Fahrenheit after 10 minutes of operation From ML Creation ML Creation 6-month warranty covering manufacturing defects only from date of purchase. Normal wear and tear, negligent handling or misuse are not covered.