Heat It Classic - Lightning Connector - Navy - Insect Bite HealerHeat It High Frequency Insect Bite Therapy Pen Fast Relief, Portable Warm Pen Heat It Insect Bite Pen High Frequency Smart Heat Therapy, Pocket Sized, Recharge via USB Quickly soothe irritating mosquito, midge, or insect bites with the Heat It high frequency therapy pen. Using focused, safe heat energy, this pen relieves itchiness and inflammation on contactwithout creams or chemicals. Compact, rechargeable, and precise, its the perfect relief tool