Fantech MAXFIT61 MK857 comes with 60% Factor, Blue Switch, RGB Backlighting, Detachable Type-C Cable, Hot Swappable Switches. This Mechanical keyboard featured with Total Keys: 61, Anti-ghosting: Full keys, Illumination: RGB 16 modes, Top Material: ABS Plastic, Keycaps Double-injection, Core Construction: ABS Plastic, 1000Hz Polling Rate. This Fantech MAXFIT61 MK857 is compatible with Windows and Mac OS X. USB Port Required Software. The latest Fantech MAXFIT61 MK857 has 01 year warranty.