Wide 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. Dual 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. 9 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. High 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. RGB Backlit: This programming micro keypad is featured with RGB backlit and various light modes, creating wonderful and immersive gaming experience.