Savior Heat Heated Socks, Rechargeable Battery Powered Heating Socks with APP Control for Men Women Feet Warmer for Winter Hunting Fishing Winter Skiing Outdoors

Advanced Technology of Far-infrared Fiber Heating Elements Covers Instep and Toes Area,great choice for cold winter Two 7.4V 2200 mAh lithium polymer battery, which has high energy density (4-10 hours of battery life under different working conditions), small size, not bloated and comfortable to wear Long tube warm socks lightweight,unisex, widely matched, warm and stylish Help stimulate poor blood circulation, keeping your feet warm & toasty in seconds Available in 4 sizes to fit most people. Compared to other machine mass production, there is only one size, which is less comfortable Savior heat heated socks can be used in winter for hunting, fishing, riding, hiking, skiing, running, camping, g walking and other outdoor activities