About this item [Relieves itching and swelling]: Built-in linear motor has fast response speed and low power consumption. It can massage the bite area comfortably to relieve itching, effectively promote blood circulation and local blood flow in the bite area, and accelerate the itching relief effect. [Princie]: the top is made of MCH ceramic, which generates fast and even heat, and is more energy efficient than ordinary ceramic under the same heating effect. The safe material has a delicate, comfortable and non-irritating texture when conforming to the skin. [Adjustable temperature]: 40 and 45 two temperature adjustable, click child mode, 4 seconds to automatically shut down. Double-click adult mode, it will automatically shut down in six seconds. [Reusable]: Built-in 200mAh rechargeable lithium battery, a full charge can be used 100 times, flexible and convenient for adapt to a variety of charging methods, it can be fully charged in 30 minutes. [Ultra small and convenient]: The design of the anti-itch device is very light and portable. The device is small in size and lightweight. Suitable for home, travel and outdoors.