Specifications: Name: Anti Itch Pen Material: ABS+stainless steel Color: White/Pink/Yellow/Green Size: 15.5*2.5*2.5cm Charging method: USB charging Features: Simulate the detoxification of the human body after being bitten, use pulse technology and temperature to rapidly metabolize the itching-causing substances in mosquito saliva, eliminate itching with one button, and make it safer, more reliable and not allergic. Built-in linear motor, vibration massage to reduce itching and comfortable, speed and low power consumption, can comfortably massage the bite area to reduce itching, effectively promote blood circulation and local blood flow in the bite area, and accelerate the effect of reducing itching. Microchips are used to collect heat to provide heat, and the heat is evenly transferred into the skin through infrared pulse technology, so that the protein in mosquito saliva can cause itching to deteriorate, supplemented by pulsed light electricity to produce numbing effect on the mosquito bite area to weaken the itching sensation. The USB charging cable adapts to a variety of charging methods such as power banks, computers, adapters, and sockets with USB interfaces, which is flexible and convenient. Suitable for a variety of bite and anti-itching scenes, compact and portable, can be carried with you, whether it is a mosquito or a bee or an ant bite, it can be one-click to stop itching and protect the whole family. Package Included: 1pc x 6th Ge Terahertz Shockwave Machine