ActionHeat 5V Wool Battery Heated Socks

Fabric type: Cotton,Spandex,WoolOrigin: ImportedBuilt-In heating panels strategically placed on the top of the toes use advanced ultra-fine fibers to provide superior heating performanceHeating Times: HEAT BLAST (Red): 150F – 3+ Hours, Medium (White): 130F - 4+ Hours, Low (Blue): 100F – 5+ HoursIncludes: (2) ActionHeat Wool Socks W/ Heated Toes, (2) 5V Volt Lithium-Polymer Rechargeable Batteries and (1) 24 Dual Battery Charger KitTouch-Button Control Technology (3 heat settingsMaterial Content: 50% Wool, 48.5% Cotton & 1.5% Spandex excellent for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.