Purely physical itching relief, quickly eliminating the sensation of irritating itching and skin swelling. Using infrared heat pulse technology, stimulating the dermis layer, heating to a constant temperature through microcrystalline chips, providing heat and vibration to the affected area, increasing circulation and local blood flow, 30 seconds to destroy the salivary protein injected into the skin by insect bites, thereby achieving itching relief.

USB charging, long battery life; compact and portable; one-button operation, easy to use; low radiation, suitable for pregnant women and infants.