Heated Socks for Men Women Thermal Heating SocksItem :Heated Socks for men and women with electric rechargeable batteryFeatures :●Strategically placed heating elements use far infrared fibers for optimal heating performance . It can be stimulate your feet blood circulation, and Great for arthritis foot ,Chronically Cold Feet,Stiff Joints People● The heating elements covers whole fore foot and insteps●This Heated socks with 7.4V 2200MAH rechargeable batteries ,charge faster than others .●Temperature control button allows easy access to the 3 heat settings●Use for Winter Outdoor Sports,as skiing, hiking, hunting, shoveling snow,fishing,riding,cycling,etcMain Questions ?●Q : are the fore foot heating or also the insteps ?A : heating elements covers whole fore foot and insteps●Q: Are the socks washable ?A : Yes ,Hand Wash is the best choise , Machine wash must put it into washing bag●Q: Socks only heats for about 30 minutes then went off when i first use it.A: Since mostly batteries did not with full charge ,so please charge it around 4 hours once you get it .●Q: Does it work under subzero area?A: Yes, it does. Enjoy extra warmth on your hands no matter what you're doing outside●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..Package Included:●heated socks●2 x 7.4V 2200MAH rechargeable Batteries●dual Charger kitHeated Socks, Thermal Socks