NEW Unisex ActionHeat 3.7V FAR infrared Heated Socks S/M

Brand new, never worn. Unisex Fit S/M Fit Rechargeable ActionHeat socks reach a maximum temperature of 140F and can last up to 8+ hours. Innovative FAR infrared heating technology designed to warm the core body temperature, feature built-in advanced ultra-fine carbon fiber heating panels strategically placed on the top of the toes and ActionFlex material that provides superior heating performance and lightweight warmth, comfort, and versatility. 3 temperature settings: high (red, 140F), Medium (Orange): 120F, Low (Green): 100F Machine Washable Material Content: 70% Cotton & 30% Spandex Comes with Dual charger for the 2- 3.7 Volt 2.2AH Lithium-Polymer Rechargeable Batteries which connect to the cords in the pocket on the top of the socks. To turn on press and hold power button on battery for 3 seconds.