Convenience of USE: Due to its compact design, this keypad is very convenient to carry and use. It can be directly connected to a computer or other device, and can be used in any scenario where copy and paste is needed, such as editing documents, sending emails, etc. FOR User Notice: If you need to set it in for , please set it in before you can use it on . = Win+, Option=Alt, Control=Ctrl. (USB-C cable required for setup). Customization: Copy Paste Keyboard default function is "Copy" and "Paste".Functions can be set via software, such as Shortcut keys, Cut, Undo, Redo, Select all, Play, Pause, Volume, Switch song, Forward, Backward, Custom script, etc. DIY Design: Hot-swappable keyboard, you can change keycaps and key shafts as you like. Choose from 7 Colors and 2 Modes (Gradient or illuminated when pressed) for Your RGB Lighting - Create Your Perfect Gaming Setup Color:Black Material:Acrylic Package Contents: 1 * Macro programming keyboard 1 * Data line 1 * Receiver Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.