The shop is factory direct sales, the online price is ex-factory price, this product has many specifications, with USB and without USB, please order according to your needs when purchasing, the plug is three-pin, super thick pure copper inner wire, selected tin phosphor bronze sheet, high quality silver gold contact, inner container 750 degrees high temperature does not burn, this product is fiberglass plug and Jack, power 2500W, suitable for computer, rice cooker, electric kettle, microwave ovens, televisions, induction cookers, refrigerators and other household appliances cannot be used in plugs and sockets of 16A, such as air conditioners, electric water heaters and other 16A plug products cannot be used. They pass the quality inspection and have 3C certificates.