Vibrant utility RGB FANTECH MAXFIT81 MK910 VIBE EDITION Connections in Tri-mode PBT Keycaps: Modular Mechanical Gaming Keyboard Three modes of connection: Bluetooth, wireless, and USB 75% of the form factor Multiple Functions Retro Frosted Transparent Case with Wired Hot-swappable South Facing PCB Rotary Encoder Knob and Customizable OLED Display Wireless (BT + Strike speed Wireless) For additional Fantech gaming chairs, see the MAXFIT81 MK910 VIBE EDITION VIBRANT UTILITY Mechanical Keyboard.