Mosquito Antipruritic Device To Eliminate Children's Quick Antipruritic Device Physical Itching Rechargeable Antipruritic PenOverview: Simple to useQuickly relieve itching and irritation from mosquito bites no more itching! Heat pulse technologyProvides heat and vibration to the affected area, increasing local blood flow and circulation to relieve itching. Non toxic chemicalsNontoxic, gentle on the skin, and safe for adults and children over 4 years old. Reusable equipmentUSB port charging, you can charge it anytime, anywhere. Product information: Product name: Itching pen