Function: 10-piece barrel connector with adjustable tip is a combination of 55 x 21 mm universal supply. Even if you only have one adapter, you can charge your laptop from a different outlet. The USB DC cord is used for charging 1A~5A, and supports voltage: 5V/9V/12V.Material: Equipped with USB 20 A to DC (24AWG) charging cable. The DC connection is made of high-quality stainless steel and gold-plated. The USB interface is nickel-plated, wear-resistant, durable, and anti-oxidation.Compatibility: The DC USB cable is suitable for devices with 55 x 21 mm DC sockets, such as B. routers, cameras, driving recorders, desk lamps, TV boxes, speakers, LED displays, , etc. This DC connection kit is compatible with laptop computers, external supplies and integrated . For example, compatible with , compatible with , compatible with , compatible with , compatible with , compatible with , etc.Part: The standard size of all DC sockets is: 55 x 21 mm. The parameters of each tip are listed in the description. They are suitable for almost all laptops. very full. Please check if you need this before buying.(The color may vary with the production batch, but the effect remains the same)Material:plasticcolour:BlackPackage Contents:1 x 1m 3A USB to DC plug cable1 x Type C hollow plug1 x -USB hollow plug1 x 55 x 25 mm hollow plug1 x 55 x 17 mm hollow plug1 x 48 x 17 mm hollow plug1 x 40 x 17 mm hollow plug1 x 35 x 135 mm hollow plug1 x 30 x 11 mm hollow plug1 x 25 x 07 mm hollow plug1 x Square DC hollow plugOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.