Feature: 1. Must-have for keeping warm in winter: Winter heated socks are battery-operated electric socks that feature heating elements on the top of the toes. The heated socks for men and women keep your toes warm and comfortable all day long, perfect for skiing, hiking, hunting, ice fishing, and any other indoor or outdoor activities in cold weather. These battery-operated socks are a choice for performing a variety of outdoor tasks in winter. 2. Must have suitable clothing accessories for winter outdoor or indoor. Dreams come true, you no longer have to worry about having cold hands and feet in winter! High quality battery powered socks for men to wear outdoors in cold weather, at work or at sporting events. Hunting socks are a great gift for cold seasons and the best gift for warm clothing. Patterns and colors may vary. 3. Unique Design for All Ages: Battery operated socks are heated. This series of electric socks is made of breathable and sweat-absorbing fleece material and uses ultra-fine carbon heating elements. Battery operated heated socks are the perfect gift for family, friends and colleagues of any gender and gender. age. 4. EASY TO USE AND CARE FOR - Brave the cold and enjoy any outdoor activity with family and friends. Our warm hunting socks won't let the cold winter days stop you from doing what you love most. Electric foot warmers feel warm, not hot. So if you like to wear two pairs of socks, the heated socks for women should fit snugly against the skin. We recommend hand washing in warm water with mild detergent, do not machine dry, hand or towel dry only. 5. Give this gift to outdoor enthusiasts even in winter or cold weather. The smartly designed thermal ski socks for women have a hidden pocket at the top of the sock to neatly store the battery compartment. No ugly and uncomfortable flaps hanging down from the sides. The thermal socks for men provide warmth and relief to feet that suffer from chronic cold due to poor circulation, arthritis, cold weather, or just want more comfort and warmth. Instructions for use: 1. Put on your socks, put the battery in your pocket and connect the battery to the power cord 2. The Changan battery button starts to heat up and the socks will heat up immediately 3. When the battery charge is less than 20%, the battery light flashes 4. When the battery power is 0-29% during charging, the red battery light will flash. When the battery power is 30-69%, the blue battery light flashes. When the battery power is 70-99%, the green battery light flashes. When fully charged, the green battery light is on. 5. The color of the battery light represents the power level. Red represents 0-29% power, blue represents 30%-69% power, and green represents 70%-100% power. 6. Charge the battery for 5 hours and use it for 2 to 3 hours Precautions: When cleaning, remember to take out the battery and put the power cord in your pocket. Specs : Color: black, black, blue gray, black gray Size: One size Material: cotton Battery capacity: 2200 mAh Voltage: 5V Product thermal energy: 35-55 C Size: 32cm*23cm Weight: 400 g Packing list: 1 pair of socks 1* data cable 2* battery