Separable Design: This mosquito bite itch relief supports lithium battery + Type-C dual power supply mode, the battery can still be depleted through the Type-C interface to continue power supply, No need to wait for charging in an emergency, just plug it into your mobile phone port and continue working. plug-and-play, relieve itching without interruption, outdoor home at any time to guard. Pure Physical Itch Relief: The bug bite itch relief works by safely concentrating heat through ceramic contact surfaces, Simply apply heat to the bite site for a short period of time to accelerate the body's natural healing process. Acts as a physical itch reliever and reduces swelling for all types of mosquito, bee and wasp bites. No Chemicals: This insect bite relief uses the safe physical principle of heat therapy to help you physically relieve the itching and swelling of all types of mosquito bites within 5-10 seconds by simply applying heat. No chemicals, It can also be used during pregnancy without worrying about the effects on the baby. PORTABLE DESIGN: This mosquito bite relief weighs just 35g, Compact and portable, take it anywhere! Can be carried in travelling backpacks, trouser pockets, garment pockets and handbags. As an outdoor essential, it is ideal for camping, fishing, outdoor sports or park play. EASY TO USE: This bug bite relief device is perfect for anyone who gets bitten by mosquitoes in the summer, Simply place the ceramic tip over the bite and heat it briefly, Helps you physically relieve itching and swelling from a variety of mosquito bites.