Three connection modes are available on the FANTECH ATOM PRO63 MK912 MECHANICAL GAMING KEYBOARD: Wired, 2.4Ghz Bluetooth, and Bluetooth. Stable: No lag, no delay, and no loss of connection 63 keys in total Anti-ghosting: Every single key LED: 22-Mode Spectrum RGB Illumination Type-C Cable Detachable Change Color: RED to BLUE Hot Swappable Switches with 5 Pins Adaptable Foot AWESOME EDITION MERCURY for Gaming Keyboard: FANTECH ATOM PRO63 MK912 MECHANICAL GAMING KEYBOARD