Thank you for viewing. This is the FL ESPORTS 75% keyboard CMK75. It has a layout that includes a knob and LCD screen on the top. It supports three modes: USB wired, dongle wireless, and Bluetooth. I have confirmed that it works properly. Please note that this listing does not include switches or keycaps. The stabilizers used are Durock (lubed). Please feel free to comment if you have any questions. Key Switch Type: Optical Key Switch Type: Mechanical Keyboard Layout: English Other: Gaming Keyboard Connectivity: Wired/Wireless (Bluetooth)