Product Name: 5.0V USB Heated Socks Unisex Rapid Warm Soft Heated Socks Model NO.: SHS501 Season: Winter Thickness: Normal Feature: Breathable Style: Leggings Height: Tall Material: Cotton Gender: Unisex Age: Adults Color: Black & Gray Size: S:35-38;M:39-42;L:43-46 Trademark: SAVIOR Transport Package: OEM Packing Origin: China Product Description Article:5V USB heated socks; Socks Material:Coolmax/Combed Cotton; Heating Area:up&bottom of forefoot; Heating solution: 4W@ 5V; Power; supply:adapter;power bank& computer USB connector; Heating Temperature: 30-55 degrees; Heat Control: Plug and play.Size: S:35-38 M:39-42 L:43-46Color: Black & GrayFeature:Keepyourfeetwarm:Suitableforintdoor/outdoor.Cottonmaterial:Naturalmaterials&Thick&BreathablePackage Include:One full kit 5V product with one pair heated socks,one 2.1A usb charger and one set user menu and paper cardThe above quotation validity period is 15 working days.Payment: T/T 30% advance, pay off the balance before shipment.After service/Warranty: 6 monthes for battery, 12 monthes for chargers and socks.