SNOW DEER Heated Socks for Women and Men with 3 Heat Settings-Rechargeable Washable Electric Thermal Warming Socks for Hunting, Camping, Skiing (Battery Included)

【Heating Elements Covers Whole Toes Area】this battery socks upgraded to use far infrared heating elements Which can be stimulate your blood circulation. Give you a warm winter 【7.4V 2200MAH Rechargeable Li-ion Batteries & 3 Settings Temperature Controller】The electric socks Include pair of 7.4V 2200MAH rechargeable lithium polymer batteries. Heating Up to 2.5-6 Hours and full charge around 3-4 hours . 【Size Option】This heated socks with various sizes option. M, L, XL. Size chart as following: M for size: 6-8.5 foot ; L for size:9-12 foot ; XL for size :12-14 foot . please check the size chart pic up.