... certification 3, USB game accessory support custom-made. Hid Usb game accessory Hid= human interface device all of our products had been ... . Please contact our sales for details.5) Keyboard and Mouse HID USB Footswitch support customized key and combination, including the most ... common combination like Ctrl-C, Ctrl-V, Ctrl+Alt+Del ...It is a stardard keyboard , if you ...