Product It simulates the human body& 39;s detoxification reaction after a bite, using pulse technology and temperature to rapidly metabolize itchy substances in mosquito saliva, one-touch anti-itch, more safe, more reliable and non-allergic. Built-in linear motor, vibration massage, anti-itch convenience, fast response speed, low power consumption, comfortably massage the occlusal area to reduce itching, effectively promote blood circulation and local blood circulation in the occlusal area, and accelerate blood circulation in the occlusal area. The use of microchips to collect heat to provide heat and evenly transmit heat to the skin through infrared pulse technology, so that the protein in the mosquito& 39;s saliva can cause itching and deterioration , and pulsed photoelectricity can cause mosquito skin can numb bites to reduce itching. 8S can effectively relieve itching and relieve itching with one button. The top is made of MCH ceramic, which can be heated quickly and evenly, and is more energy efficient than traditional ceramic with the same heating effect. The safe material has a fine texture and nestles comfortably against the skin without irritation. Specification: Material: ABS Weight: about 43g Battery: Use 2 * AAA batteries (not included) Package included: 1 * Anti-itch pen Note: Due to the different monitor and light effect, the actual color may be ightly different from the picture the color differs. Please allow 1-2cm differs due to manual measurement."