<b>Item :</b><br><br> Heated Socks for men and women with electric rechargeable battery <br><br> <b>Features :</b><br><br> ●Strategically placed heating elements use far infrared fibers for optimal heating performance . It can be stimulate your feet blood circulation. <br> ● The heating elements covers whole Toes Area<br> ●This Heated socks with 7.4V 2200MAH rechargeable batteries ,charge faster than others .<br> ●Temperature control button allows easy access to the 3 heat settings<br> ●Use for Winter Outdoor Sports,as skiing, hiking, hunting, shoveling snow,fishing,riding,cycling,etc<br><br> <b>Main Questions ? </b><br><br> ●Q : How to select the sizes ?<br> A : please check our size chart on pics showing <br><br> ●Q : are the fore foot heating or also the insteps ?<br> A : heating elements covers whole fore foot and insteps <br><br> ●Q: Are the socks machine washable ?<br> A : Yes , Hand Wash is the best choice , if Machine wash it , please put it into washing bag<br> <br> ●Q: Socks only heats for about 30 minutes then went off when i first use it. <br> A: Since mostly batteries did not with full charge ,so please charge it around 4 hours once you get it . <br> <br>●Q: Does it work under subzero area? <br> A: Yes, it does. Enjoy extra warmth on your hands no matter what you're doing outside<br><br> <b>How to use :</b><br><br>●Charge Up – Fully charge with provided charger kit. Before using <br> ●Plug-In – Connect the battery to plug located in the pocket.<br>●Turn On – Press on/off to adjust the temperature.<br>.<br><b>Package Included: </b><br><br>●heated socks <br>●2 x 7.4V 2200MAH rechargeable Batteries <br> ●dual Charger kit<br> ●user manual