Features： 1、. It simulates the detoxification reaction of the human body after being bitten, using pulse technology and temperature to rapidly metabolize the itching substances in mosquito saliva, one-key anti-itching, safer, more reliable, and non-allergic. 2、. Built-in linear motor, vibration massage to relieve itching comfort, fast response speed, low power consumption, comfortably massage the bite area to reduce itching, effectively promote blood circulation and local blood flow in the bite area, accelerate blood circulation in the bite area, and reduce itching effect. 3、. The use of microchips to collect heat to provide heat, and uniformly transfer the heat to the skin through infrared pulse technology, so that the protein in the mosquito s saliva can cause itching and deterioration, and the pulse photoelectricity can numb the skin of mosquito bites to reduce the itching. 10S can effectively reduce the itching, one-button anti-itching stops automatically. 4、. The design of the anti-itch device is very light and portable. The device is small in size and light in weight. It is suitable for family, travel and outdoor use. Specification： Product material: ABS, SUS304 Product size: 65*28*20mm Product net weight: 30g Applicable people: over 4 years old Package included: Package List：