A USB Warmer is a stick that warms up your onaholes and which is powered as the name suggests by USB power. Enjoying onaholes and masturbators is already so much fun but it gets even better and more realistic if the hole is warm and a USB warmer is the perfect tool for that. They can of course also be used any large masturbators or Sex Dolls. You can see our seleciton of USB Warmers for every budget in here. Below you can see some of our popular USB Warmers.