Feature: 1. 4 keys: This gaming keyboard is designed with 4 keys, including Ctrl, C, V and Enter, suitable for a of programming settings and single handed operation. 2. Plug and Play: This mini keypad is plug and play, and repetitive settings are allowed. Settings can be saved in the keyboard, and you do not need to set them again when changing the device. 3. Programmable Design: This mini mechanical keypad is programmable, and all key functions of standard keyboard can be easily set. Thus the complicated combination of shortcut keys can be realized. 4. USB Wired Connection: This gaming keypad adopts wired connection. Suitable for office, music, media, industrial control, laboratory, production line testing. 5. Widely Compatible: This programmable keypad adopts red switch, suitable for Dos, for Win, for Linux, for Laptop, for Android, etc. Specification: Item Type: Programmable Keypad Number Of Keys: 4 Applicable Scope: Computer Type: B: red axis-No words Material: ABS colour: Black Package Contents: 1 x Mini Keyboard 1 x Type C data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.