Heats 4+ Hours Using our industry-leading safe heating technology, the AA Socks reach up to 130F and provide comfortable heat for up to 4+ hours. A simpler solution to the cold... ActionHeat's AA Battery Heated Socks are the easiest introduction to heated clothing. Insert (3) AA batteries into each included power pack and plug the power packs to the cord located in the pocket on the top of the sock. Easily conceal the power packs safely inside the pocket. To activate heat, simply press the red power button on the power pack and enjoy instant heating relief. Control your warmth... The AA Battery Heated Socks feature built-in heating panels strategically placed on the top of the toes and use advanced ultra-fine fibers to provide superior heating performance. ActionHeat AA Battery Heated Socks allow you to stay warmer and enjoy outdoor winter activities longer than ever before. Hours of heat & comfort... Enjoy continuous heat for hours with a simple, one-setting heat level on the ActionHeat AA Socks. The available heating level reaches a maximum temperature of 130F and lasts for up to 4+ hours. Using Far-Infrared heating technology allowing you to enjoy outdoor winter activities longer than ever before. 5V Battery Heated Socks 3.7V Rechargeable Heated Socks (2.0) 3.7V Rechargeable Heated Socks AA Battery Heated Socks 3.7V Rechargeable Heated Insoles Buying Options Buying Options Add to Cart Add to Cart Buying Options Customer Reviews — 3.1 out of 5 stars 41 2.7 out of 5 stars 15 3.6 out of 5 stars 83 — Price — no data — no data $89.99$89.99 $49.99$49.99 — no data Battery Voltage 5 Volt 3.7 Volt 3.7 Volt 4.5 Volt 3.7 Volt Heating Zone Sole of the foot Top of the toes Top of the toes Top of the toes Under the toes Maximum Heating Time 5+ Hours 7+ Hours 8+ Hours 4+ Hours 8+ Hours Maximum Heating Temperature 150°F 140°F 140°F 130°F 140°F Unisex Fit ✓ ✓ ✓ ✓ ✓ Adjustable Temperature ✓ ✓ ✓ no data ✓ Machine Washable ✓ ✓ ✓ no data no data