This Chiven2 masturbator provides fantastic oral stimulation and is also self-heating. This masturbator has a nice, discreet case and is easy to take everywhere with you. The Chiven2 Masturbator is comfortable to hold and features an anti-slip pattern. It's also silent and waterproof. The warming function will get you to a maximum temperature of 40 degrees Celsius and can be turned on and off separately. The masturbator features 6 intense vibrations and it's easy to switch between the different settings with the buttons on the top. The soft silicone interior features studs and ridges that provide optimal stimulation for your penis. Always use some lubricant on the penis for extra comfort. The Chiven2 comes with a USB cable so you can quickly recharge it and a convenient storage bag. Clean the toy after use with lukewarm water and a toy cleaner.