Three connection modes for the FANTECH MAXFIT81 MK910 VIBE EDITION GRAND COBALT RGB Modular Mechanical Gaming Keyboard are Bluetooth, Wireless, and USB. 75% Form Factor Multi-Function Customizable OLED Display with Wired Hot-swappable South Facing PCB Rotary Encoder Knob (Replicated Frosted Transparent Case) and Wireless (BT + Strike speed Wireless) Switch only Click Here for Additional Information. Click here to view more gaming keyboards. FANTECH MAXFIT81 MK910 VIBE EDITION GRAND COBALT RGB Tri-mode Connections Modular Mechanical Gaming Keyboard