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- stainless steel and gold-plated. The USB interface is -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 , 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 , 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 description. They are suitable for all laptops. very full. Please check if you need this buying. (The color with the production batch, the effect remains the same) Material:plastic colour:Black Package Contents: 1 x 1m 3A USB to DC plug cable 1 x Type C hollow plug 1 x -USB hollow plug 1 x 5.5 x 2.5 mm hollow plug 1 x 5.5 x 1.7 mm hollow plug 1 x 4.8 x 1.7 mm hollow plug 1 x 4.0 x 1.7 mm hollow plug 1 x 3.5 x 1.35 mm hollow plug 1 x 3.0 x 1.1 mm hollow plug 1 x 2.5 x 0.7 mm hollow plug 1 x Square DC hollow plug Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.