Heated Socks for Men Women Thermal Heating SocksWinter Rechargeable Electric 7.4V 2200mah Battery Heated Warm SocksFeatures :Rechargeable battery electric heated socks with front foot and instep both heating.7.4v 2200mah rechargeable battery packs,It Starts Heating Within 30 Seconds, duration long heating time.With Far Infrared Fiber heating elements Layer,promote blood circulation.Great for Raynaud’s,Arthritis,Bad Circulation,Stiff Joints People Best solution for all kinds of outdoor activitieslike skiing, fishing, Jogging,hunting,cycling,hiking motorcycling,running, shoveling snow, snow removal car windows on the ice and snow and so on.How to use :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.aFeatures:100% brand new and high qualityDouble layer fabric, soft, skin-friendly and warmSpecially designed battery pocketElastic socks, one size fit most,Application: Hiking, climbing and other outdoor activities in the cold districtSpecification:Color: BlackMaterial: CottonSize: One SizeHeight: 24-37cm (0.79ft-1.21ft)Leg sole: 21-30cm (0.68ft-0.98ft)Power: 2x AA batteries (NOT INCLUDED)Heating parts: toe backHeating temperature: 50 degreesCaution:1. As the socks are elastic, the size is approximate.2. The sock's heating element can not be disassembled, please be careful when cleaning, do not rub hard.Note:Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.Thank you for your understanding, nice day!Package Includes:1 x Pair of socks2 x Battery box(Batteries NOT included)Estimated Heating Times:High : 140-150 °F - 2-2.5 HMedium: 122-131 °F- 3-3.5 HLow : 100-113 °F - 6-6.5