New for men and women, winter cold resistance, feet, socks, warm charging, heating long tube socks

- Welcome to our store！ - It Is An Honor To Meet You - Offering beautiful items to loved ones- Product related certifications: 1.2M drop test experiment, cargo transportation condition identification report, UN38.3 testing report, MSDS report CE (charging power supply) Product Name: Heating Socks -1116701 M/L Surface material: 51% adhesive, 23% nylon, 26% polyester, Inner material: nylon Battery capacity: 4000mAh, battery size: 7.8 * 4.6 * 1.8 CM, battery weight: 0.08kg Charging voltage: 5V Working voltage: 3.7V Working current: 800mAh to 1100mAh Battery performance: The battery can work normally at -10 ° C to 70 ° C, with a lifespan of 500 cycles and the remaining 80% of the capacity Charging time: The full time is approximately 4.5-5 hours (excluding regular mobile phone chargers) Product size: L size: tube length 33cm, foot length 20cm, foot width 9cm; M size: 30cm in length, 18cm in length on the sole, and 8cm in width on the sole Packaging specifications: 20 * 10 * 7.2cm, L size: gross weight 560g; M size: gross weight 540g Packing specifications: 41 * 31 * 36.5cm, 30pcs/box, approximately 15KG Product list: 1 pair of heating socks, 1 pair of batteries, USB charging cable, English instruction manual, color box. Product features 1. Machine washable, adjustable for gentle cleaning, can also be hand washed, remove the battery before washing 2. Elastic, double layered thickening for warmth, soft and skin friendly; 3. Using innovative spiral heating, the heating wire is embedded in the sock layer, allowing the soles and soles of the feet to generate heat; 5. Dual hole USB cable, versatile for one line; 6. 4.5-5.5 hours, temperature 60-65 degrees; Mid range 6-7.5 hours, temperature 45-59 degrees; Low range 9-10 hours, temperature 39-44 degrees.