Features: Support hot swappable .This is a mini keyboard with custom functions.Type-C to USB interface, no driver, plug and for play. You can set all for key functions on the standard for windows keyboard. Easy realizes complex for key combination, and the keyboard has a storage function. After setting on for Windows system, it can be used on systems that support usb protocol such as Linux and MacOS. When connecting multiple keyboards, the operation is simple and convenient, and it is convenient to carry. The knob can be set to zoom-in and out, switch the previous song, the next song, volume up, volume down, pause, for play and other functions, is a good helper for attendance. Package Includes: 1 PC x Mini Keyboard Specifications: Item: Mini Keyboard Mode:USB-C wired Suport: Konb To Adjust Volume /zoom-In-And-Out /Copy/Paste/Mute/Previous/Next Song etc Material: Acrylic Size: approx Standard Color: Black/White/Purple Keys: 6Keys Charge: Type C USB note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.