Features:Rechargeable Electric Warm Winter Thermal Heated SocksCountry of Origin - Textiles:USA and ImportedFabric Content:Cotton BlendAssembled Product Weight:14.64 ozGender:UnisexSock Size:MColor:BlackSeason:WinterSock Style:AthleticAge Group:AdultSock Rise:Knee-HighAssembled Product Dimensions (L x W x H):0.66 x 0.33 x 0.23 FeetMen Women Winter Heated Socks- Battery Heated Socks Electric Rechargeable Heat Sox Kit for Men Women,Winter Warm Heat Insulated Thermal Heating Stockings,Novelty Sports Outdoor Climbing Hiking Hunting Biking Ski Heated Foot Warmers.Heated Sox Cycling Feet Warmers Made From Premium Spandex Fabric Cotton,Breathable,Quick Drying,Heat Insulated.3.7V Men Women Battery Heated Sox Kit- Designed with 3 Heating Systems,3.7V Winter Warm Rechargeable Battery Heated Stockings Can Meet Various Needs.Unisex Rechargeable Heated Socks with Highest Temperature Ups to 149°F.Long Working Hours Winter Motorcycling Foot Warmer- Novelty Heated Socks Can Work Up to 10 Hours After Fully Charged in the Lowest Settings.Unisex Rechargeable Electric Heated Sox Can Keep Your Feet Warm For All Day Long.Winter Warm Rechargeable Unisex Heated Socks Perfect for Raynaud's,Stiff Joints,Arthritis,etc.Winter Novelty Thermal Heated Socks- Unisex Electric Heated Socks Are Great Fit for Winter Cold Days Indoor Outdoor Sports :Climbing,Hiking,Motorcycling,Snow Skiing,Mountaineering,Snowboarding Cycling,Biking,Hunting, Walking the Dog Foot Warmer.Perfect Gift Ideas Winter Unisex Heated Socks- Winter Novelty Rechargeable Electric Battery Heated Socks Are Ideal Gifts In Winter. Heated Socks with 100% Satisfaction Guarantee Give Yourself and Beloved Ones a Chance to Say Goodbye to Cold Feet.Rechargeable Heated Socks for Men & Women-keep you warm anytime, anywhere. Heating Socks based on new developed heat elements and unique electronic control system.Designed to keep your toes warm even in cold conditions. The heating element uses an innovative spiral heating element. The heating wire is embedded in the sock layer, so that the sole of the foot, the back of the foot, the sole of the foot and the surface of the foot can radiate heat and warm the whole foot.Perfect for outdoor hunting, motorcycling, hiking , skiing, snowboarding, snowmobile, snow shoveling, climbing and mountaineering etc. Keep the comfort and safety while providing you with extra heat against cold weathers.Large Capacity BatteryHeated socks includes a pair lithium-ion rechargeable 3.7V 4000mAh batteries.The battery capacity is increased, and the battery life is longer. It is equipped with a double-ended charging cable.3 Heating SettingsThe Heating socks will last up to around 9-10 hours on the lowest setting,the temperature is 102.2-111.2℉. 6-7.5 hours on the midium setting,the temperature is 113-138 ℉.4.5-5.5 hours on the highest,the temperature is140-149 ℉.Use High-Quality MaterialsWarm winter heat socks made with Supreme Quality Thick Material and Ergonomically knitted with padding for maximum comfort and protection .It Used to Keep the Socks Warm and Breathable with Elastic Sewing for Comfortable Movement.Universal Fit for Multifunctional UsagesIdeal for winter skiing,snowboarding,snowmobile,snow shoveling,riding motorcycle,climbing,hiking,hunting and mountaineering etc.Outdoor&sporting,indoor home&kitchen,great novelty heated socks makes it a perfect gift ideas ever.Battery on / off mode:Power on: double click the switch to turn on the powerPower off: press and hold the key to power offGear adjustment: click after power on to cycle gear shiftExtra Tips:In order to save more battery life and keep safety,you can set the socks at temperature setting High(Red Light)at first 5-15 munites(time varies due to different needs),then you can adjust it to setting Medium(Orange Light)or Setting Low(Green Light) and you will feel fine.The heating socks can be washed by hand or machine.Please take out the battery before washing.Specifications:Product Type: Rechargeable Battery Heated SockMaterial: 78% Cotton , 20% Polyester, 2% SpandexBatteries: 3.7 V rechargeable li-ion batteriesBattery Capacity: 4000mAhCharging Voltage: 5VWorking Current: 800mah-1100mahBattery size: 15.8 * 44 * 78.5mmSize: MColor: blackPackage Including:1* pair of socks2* 3.7V li-ion batteries1* double-ended charging cable1* Using Manual