These SNOW DEER heated ski socks are equipped with dual 2200mAh rechargeable batteries, delivering up to 16 hours of consistent warmth on low heat. Lab tested at 25℃, low heat runs 18h10min, medium heat 7h48min, high heat 4h36min; even under -20℃ frigid environment, low heat still lasts 14h51min, fully meeting all-day skiing, snowboarding and winter outdoor activity needs.
- Adopts 7.4V 4W heating elements with 3 adjustable temperature settings: High 72-75℃, Medium 55-57℃, Low 40-41℃. Built-in 55℃ automatic cooling anti-scald technology, the socks will automatically lower the temperature when overheated to protect your feet from scalding, while maintaining a constant warm temperature for safe and comfortable use all day long
- The heating sheets cover the entire sole, toes and instep of the foot, delivering even and consistent warmth to every corner of your foot, effectively relieving cold feet in freezing winter weather. The snug fit design ensures the heating elements stay close to your skin for better heat transfer, no cold spots during skiing or outdoor activities.
- Made of 55% Polyester, 25% Elastic, 15% Spandex, 5% Nylon blended fabric, these thermal ski socks are soft, breathable and highly stretchy, fitting most men and women with S-XL shoe sizes. The moisture-wicking fabric keeps your feet dry and sweat-free, no stuffy feeling even after long hours of wear.
Features S-shaped square LED power display switch on the instep, letting you check the remaining battery power at a glance. Elastic knitted battery pocket on the outside keeps the batteries stable without shifting during sports. Comes with US standard 5V USB adapter and 8.4V 1.2A one-to-two boost cable, full charge takes only 4-4.5 hours. Pass FCC, CE, UKCA, ROHS global safety certifications for reliable daily and outdoor use.
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