A cold masturbator warms up during use of course, but you can also get a warm start with this Sleeve Warmer from Fleshlight. This heating accessory ensures that your Fleshlight masturbaotr will warm up to a max of 37°C in less than 10 minutes. Put some water-based lubricant on the Sleeve Warmer, slide the masturbator over the warmer and plug the USB cable into your laptop or AC adapter. Thanks to the USB cable, you can warm up your masturbator anywhere. Once the masturbatur is warmed up, a green light will light up on the base of the Sleeve Warmer, then you can start enjoying the lifelike sensation. Note: the Sleeve Warmer isn\'t waterproof. It can withstand a splash of water, but don\'t submerge it or completely put under the tap. You can clean the Sleeve Warmer before and after use with toy cleaner.