Features: This 28 pieces set includes a variety of direct current plugs, allowing you to charge your laptop using different sockets, compatible for various laptop models. It is also compatible for DC5.5x2.1mm power extension cord and USB DC5.5x2.1mm cable. Multifunctional laptop charger adapter is compact and lightweight, making it perfect for travel and outdoor use. These connectors are used for laptop maintenance, parts replacement, external power supply, or vehicle mounted voltage converters. Including 28 different sizes of direct current plugs/connectors/sockets, and 3pcs DC5.5x2.1mm power cable. Specifications: Material: PVC Color: Black Cable Length: Approx. 1m/3.28ft, 1.2m/3.93ft Adapter Specification: 2.0x0.6, 2.5x0.7, 2.35x0.8, 2.5mm, 3.5mm, 3.0x1.1, 3.5x1.35, 4.0x1.7, 4.8x1.7, 5.0x2.5, 5.5x1.5, 5.0x2.1, 5.5x2.1, 5.5x2.5, 4.8x1.7, 5.0x3.0, 5.5x3.0, 5.5x1.7, 5.5x2.1, 5.5x2.5, 6.3x3.0, 6.0x4.0, 7.4x6.0, 4.5x3.0, 7.6x2.5, 7.9x5.0, and 2 laptops special connectors Note: The size are listed in the product description clearly, we suggest you to measure your direct current port size of your laptop or device, and make sure what size you want. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 28Pcs Laptop Power Adapters 3Pcs Cable