Function: the 26 piece hollow plug with adjustable tip is a combination of the 5.5 x 2.1 mm universal power supply. You can charge laptops from different outlets even if you only have a single power supply. USB DC cable is used to charge 1A ~ 3A; the DC plug is suitable for voltages below 36V, maximum current 5A. Materials: it is equipped with a USB 2.0 A to DC (24AWG) charging cable. The DC connection is made of high quality stainless steel and is gold plated. The USB interface is nickel-plated, wear-resistant, durable and antioxidant. Cut: All DC sockets have the standard dimensions: 5.5 x 2.1 mm. The parameters of each tip are all listed in the description. They are suitable for almost all laptops. Very full. Please check if you need this before purchasing. Compatibility: DC USB cable is suitable for devices with 5.5 x 2.1 mm DC socket, e.g. Router, camera, car recorder, desk lamp, TV box, speaker, LED display, USB fan, etc. This DC connection kit is compatible with laptops, external power supply and integrated transformer. For example, compatible with Sony, compatible with Dell, compatible with Toshiba, compatible with HP, compatible with ASUS, Acer etc. 26 hollow plugs included: Type-C, Micro-USB, Mini USB, 5.5 x 2.1 mm, 5.5 x 2.5 mm, 5.5 x 1.7 mm, 4.8 x 1.7 mm, 4.0 x 1.35 mm, 4.0 x 1.7 mm. 3.5 x 1.35 mm, 3.0 x 1.1 mm, 2.5 x 0.7 mm, square DC, easy to use, every family needs such a set. Type:Cable Adapter color:Black Material:Plastic + Metal The appearance of the product may vary from batch to batch, but it does not affect Package Contents: 2 x USB to DC Power Cable 26 x Laptop Charger Adapter