Feature 1Customized Knobs: The keyboard is designed with knobs, and the knobs can be pressed as a custom button, so users can set the most suitable shortcut keys according to their own habits and needs. 2Red Switch: Mechanical keyboard adopts red switch mechanical keyboard, ergonomic design, which makes the keyboard key strength and stroke are very scientific, a light press can complete the operation. 3Improve Work Efficiency: By customizing the shortcut keys, users can complete multiple complex operations in a short period of time, which not only saves time, but also reduces the occurrence of errors. 4Support OS: Custom keyboard can be used for multiple operating systems, for Windows, for vista, for linux, for OS X. 5Plug and Play: One handed macro keyboard is plug and play, no driver required, acrylic material, durable and can be used for a long time.Item Type:MacroKeyboardMaterial: AcrylicConnection: USB WiredKey Type: Red Switch Mechanical Keyboard (Knob Can Be Pressed as a Custom Key)Support OS: For Windows, for vista, for linux, for OS X .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Keyboard1 x Data Cable