Function: 10-piece barrel connector with adjustable tip is a combination of 5.5 x 2.1 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 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 -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 with laptop computers, external supplies and integrated . For example, with , with , with , with , with , 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 almost all laptops. very full. Please check if you need this before buying. (The color with the production batch, but the effect remains the ) 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 DC hollow plug Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.