Features
- Soft & breathable material - the heated sock is made from 78% cotton, 12% polyester,10% Elastane material. Absorbent, breathable, quick-drying, elastic-thicken, use ultra-thin electric heating module. The thickened design of the toe and heel makes the heat generated more concentrated and prolongs socks life. Recessed heating element on the toe, help focus heat to keep your feet warm.
- Rapid & long-lasting heating - powered by 3.7V/2200mah li-ion Batteries. 5 seconds rapid warming up,continuously heat up to 7 hours after the battery is fully charged. Recommend to Turn on Autocastle Heated Socks at Highest Setting(level 3) in the First 5-10 Minutes, Then Switch to Medium (level 2)or Lowest (level 1) Settings.
- Safety & improve circulation - heated socks to use fiber heating elements both fore foot，the infrared can stimulate your foot blood circulation. Help those who have raynauds syndrome, chronic circulation issues, Arthritis and Stiff Joints improve blood circulation and reduce soreness. Ideal gift for family members, friends, employees.
- Winter must-have equipment - winter warm heating socks good for blood circulation, warm whole body. We‘ve used premium grade materials to make these socks durable perfect for all indoor and outdoor activities like work, sports, skiing, snowboarding, camping, hiking, hunting, snow fishing, cycling, skating, motorcycle and perfect for rheumatism, osteoarthritis and arthritis patients. Highly recommend these to anyone that works outside during the winter.
- Best gift choice - one size fits all, super elastic and stretchable for adults, men and women (6-12 USA size). Package include: a pair of heated socks, two 3.7V rechargeable batteries, a AC charger and instruction. If your friends/families are winter sports enthusiasts, these are the warmest gift for them as skiers/hikers/climbers/fishermen/campers/outdoor workers cold weather gear.