Features 19 Keys and 3 Knobs: This mini custom keypad is designed with 9 keys and 3 knobs. You can set all keys function for Win keyboard. Type C to USB interface, plug and play, and drivers are not needed. 2Dual Mode: This programming macro keypad supports USB or BT connection and auto switch. Connected to the usb, it will switch to usb mode, unplug the usb will switch to BT mode. 3Wide Application: This macro custom keypad is suitable for graphic design, video clip, computer graphics, software shortcut keys, zoom in and out, parameter adjustment and so on. 4High Efficiency: This mini gaming keypad can reduce the time that may be wasted in work, copy,paste,delete the keys, or open the system functions with one press, which can greatly improve the convenience of office. 5RGB Backlit: This programming micro keypad is featured with RGB backlit and various light modes, creating wonderful and immersive gaming experience. Specification Item Type: Mini Custom Keypad Material: Metal, Acrylic, ABS Function: Programmable Applicable Scope: Computer Switch: Blue Switch Keys: 9 Knobs: 3 Programming: Supported Field Of Use: Office, Stock, Games, Music, Media, Industrial Control, Laboratory, Finance, Statistics, Etc Supported System: Suitable for Win, for NISTA, for Linux, for OS X Laptop(Desktop, Laptop) Package List 1 x Mini Custom Keypad 1 x USB Cable 5 x Hook and Loop 1 x User Manual