Description: Functions: 2 Key Programmable Keyboard, the default function is Copy and Paste, the button function can be set by oneself, there is a special setting program, and the setting can be repeated, you can also use other functions, such as shortcut keys, pause playback, volume adjustment, button mute etc. Special Features: Copy and paste 2 key keyboard, Fine workmanship, with hot swappable and Cherry Red Switches, RGB LED, more gaming experience, and cool feeling. Plug and Play, Usb mini 2 key keypad with USB interface, HID standard keyboard, plug and play without driver. Premium Material: 2 key gaming keyboard is made of high quality material, durable and practical to use Compact: 2 Key Mini Keypad, Small and lightweight, easy to carry Specification: Material: PP Size 52mmx48mmx30mm/2.05inchx1.89inchx1.18inch Cable Length: 1.5 Meters Interface: USB C Method: Wired USB Package Includes: 1Pcs Usb Mini 2 Key Keypad Note: Please allow slightly errors due to manual measurement and different monitors.