Function: 10-piece barrel connector with adjustable tip is a combination of 5.5 x 2.1 mm universal power supply. Even if you only have one power adapter, you can charge your laptop from a different outlet. The USB DC power cord is used for charging 1A~5A, and supports voltage: 5V/9V/12V.Material: Equipped with USB 2.0 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 5.5 x 2.1 mm DC sockets, such as B. routers, cameras, driving recorders, desk lamps, TV boxes, speakers, LED displays, USB fans, etc. This DC connection kit is compatible with laptop computers, external power supplies and integrated . For example, compatible with , compatible with , compatible with , compatible with , compatible with , compatible with Acer, etc.Part: The standard size of all DC sockets is: 5.5 x 2.1 mm. The parameters of each tip are listed in the . 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 5.5 x 2.5 mm hollow plug1 x 5.5 x 1.7 mm hollow plug1 x 4.8 x 1.7 mm hollow plug1 x 4.0 x 1.7 mm hollow plug1 x 3.5 x 1.35 mm hollow plug1 x 3.0 x 1.1 mm hollow plug1 x 2.5 x 0.7 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.