Memory Function: This gaming keypad with memory function, so all functions set before can be stored in the keypad. Suitable for Win, for Linux, for OS X Laptop operating system. 6 keys 1 Knob: This gaming keyboard is designed with 6 keys and 1 knob. Knobs can be set for functions of zooming in/out, song skipping, volume control, pause and play, etc. Type C Wired Connection: This programmable keypad supports Type C wired connection, and Type C cable is detachable, convenient, portable and space saving. Blue Switch: This macro keypad adopts blue switch, offering comfortable working and gaming experience. ideal for office, games, music, media, industrial control, laboratory, production line testing and other fields. Programmable Keypad: This mini keypad is programmable without drivers needed. Plug and play, all keys functions can be set according to you need.