Savior Men Women 7.4V Battery Operated Heated Socks

80% coolmax 12% polyester ,8% Elastane material 【Support Both 12V and 7.4V Power】This battery heated socks includes 1 pair 7.4V 2200mAh rechargeable batteries . 【Heating Elements Covers Back of Feet and Toe Area】 This Electric socks are the perfect solution for those chilly winter nights and days when you're worried about cold feet. The heated apparel will generate heat to compensate for the reduced body heat, and this rechargeable socks will ensure your feet are toasty warm. it helps those people who with arthritis foot and Chronically Cold Feet. 【3 Heat Settings Controller】The three temperature settings make it easy for you to adjust how much heat you need.Long press 3 seconds the switch to light on ,Shows Red LED color is High setting , Short press the switch change to White LED color is Medium setting ,Short press again change to Blue LED color is Low setting .Long press again to switch off. 【Various Size Option】This warm socks with various size for your selection, S for size: 5-6.5 inch, M for size : 7-8.5 inch ,L for size :9-12 inch, XL for size :13-14inch. Please select a correct size according to our size chart pic on left 【Good After Sale Service】If you have any further questions or any quality size problems about Savior Heat heated socks.Please contact us by email free. we will assist you ASAP within 24 hours .