Features: 1.The mosquito bite and itching device adopts natural quartz crystal as the main material, and no battery power is needed; 2.When you press the top button, it will release a trace of current to quickly relieve the discomfort caused by mosquito bites, urticaria and other insect bites; 3.The product will not cause allergic reactions and it will not lead to inflammation, leaving scars. 4.Suitable for adults and children over 4 years of age; 5.Operating instructions: Place the anti-itch device at the site of the mosquito bite. Press the button - the adult can press it 5 times to relieve itching. Pressing 12 times can reduce the swelling, and the child can reduce the amount. 6.If you are bitten by mosquitoes, you can use it repeatedly until you feel uncomfortable. 7.The built-in quartz crystal of the itching device will produce a tiny current to stimulate the site of the bite, accelerate the flow of blood at the bite, quickly eliminate the anticoagulant secreted by mosquito bites, and prevent the production of histamine, which can stop the itching and elimination. Swollen effect. Specification: Color:Random Material: plastic + nylon + quartz