Dual Mode Connection: PC keypad supports wired USB and wireless BT dual mode connection with detachable USB cable, easy to use. ABS Material: Layered keys, a total of three layers to store different combinations of settings, compact and portable, ABS material, can be used for a long time. Programmable: All keys are programmable, you can set for Windows keyboard standard all key functions, 6 keys design, the number of keys is reasonable, suitable for various programming settings. Scope of Application: Mechanical keyboard is suitable for office, game, music, media, industrial control, laboratory, production line testing and other fields. Customized Functions: The keyboard can be customized with a total of 6 keys and one knob in the customizable part, each knob can be customized with clockwise, counterclockwise and pressed functions.