Dayo is designed to free your hands! This automatic stroker mimics a real hand job, with powerful customization options. Smart-engineered with automatic squeezing technology, Dayo features 7 sensuous wriggling, clamping motions; combining squeezing tightness on the head of the penis and vibrations to the sensitive shaft. Explore its many functions and find the one that brings you to bliss! Warms to 113° F for even more lifelike sensations. Waterproof, with magnetic charger. One Year Warranty.