Sun Will brand is a Professional Smart Wear Apparel Manufacturer, Committed to production and sales heated gloves, socks, hats, underwear, jackets, etc.,We are providing our customers excellent quality products with unparalleled satisfaction. Sun Will Heated Ski Scoks for Women Men Features : Rechargeable Electric Battery Heated socks made with 80% cotton , 12% polyester ,8% Elastane material.Absorbent, quick-drying, elastic thickened.Imported heating elements and quality material.Fast heating in 30 seconds，the feet get comfortable and warm.With Far Infrared Fiber heating elements Layer,promote blood circulation.Great for Raynaud’s,Arthritis,Bad Circulation,Stiff Joints People.Electric socks will last up to around 6.5 hours on the lowest setting , 3-3.5 hours on the medium setting and about 2 hours on the highest. If need to doing sports or work in outside very long time , suggest to buy extra batteries (sold separately).Battery Operated Socks powered by with 7.4V 2200mah rechargeable lithium battery packs，full charge around 3-4 hours，duration 3 - 8hours with 3 heat setting. controller LED red is for high temperature,white for medium temperature,blue for low temperature.you can easily adjust the temperature. How to Use Heating socks Charge Up – Fully charge with provided charger kit Before using.Plug-In – Connect the battery to plug located in the pocket.Turn On – Press on/off to adjust the temperature. Heated Hunting Socks Wash and Care －Remove Battery while Cleaning or Storing gloves.－Use Mild Detergent to Clean the Only the Spots and Air Dry Lying Flat.－Hand wash is recommended for more safety.－If Machine Wash then it is recommended to use sack bag to wash it. Heated Socks Women Men Rechargeable Washable Sun Will Electric Foot Warmer Socks 7.4V 2200mah rechargeable lithium battery packs，full charge around 3-4 hours，duration 3 - 8hours with 3 heat setting. controller LED red is for high temperature,white for medium temperature,blue for low temperature.you can easily adjust the temperature. Battery Operated Heated Socks Size Chart for Men Women S: US:between 5-6, EU between 35-38 ， UK between 3-3.5M: US:between 6-8.5, EU between 38-42 ， UK between 6-8L: US:between 9-12, EU between 42-46 ， UK between 8.5-11.5XL: US:between 12-14, EU between 46-48 ， UK between 12-13 Winter Outdoor Sports Electric Socks Sun Will Rechargeable Heated Socks Women Men great for hunting, skiing, fishing, hiking, walking dogs,snowboarding, motorcycle, riding and sporting events.Sun Will heated socks will be a great choice for cold winter. Electric Socks are a great gift for men women Sun Will heated socks are the best gift for Halloween,Thanksgiving,Birthday and other festivals to familiers,father, mother,girl friend,boyfriends, wife,husband and any other people. Heated Socks Men Women Battery Operated Socks Heated Hunting Socks Electric Socks for Men Women Heated Motorcycle Gloves Heated Ski Gloves Color Black&Gray Black&Red Black Gray Black Black Size S,M,L,XL S,M,L,XL S,M,L,XL S,M,L,XL XXS,XS,S,M,L,XL,XXL,XXXL XS,S,M,L,XL,XXL,XXXL Battery Included ✓ ✓ ✓ ✓ ✓ ✓ Type of Battery 7.4V 2200mah rechargeable li-ion battery 7.4V 2200mah rechargeable li-ion battery 7.4V 2200mah rechargeable li-ion battery 7.4V 2200mah rechargeable li-ion battery 7.4V 2200mah rechargeable li-ion battery 7.4V 2200mah rechargeable li-ion battery Temperature Adjustable ✓ ✓ ✓ ✓ ✓ ✓