RGB backlighting with 16.8 million color combinations and multiple lighting modes (Aurora, Wave, Music, Rainbow, Waves, Gradient, Windmill, Spectrum, and Single Light), no drivers required. Compact plug & play keyboard. Gateron optical switches can be swapped out during use and replaced with other switches. With a hot-swap keyboard, you don't need to solder or desolder switches (hot swap capable only with optical switches). ABS doubleshot keycaps that can be easily changed with the included keypuller. Macro recording and other features allow for macro recording via software, customization of advanced functions, and personalization of function keys. Full anti-ghosting mode (NKRO). Compatible with Mac and Windows. The GK 61 is compatible with Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Mac OS, and comes with a 60-inch USB Type-C to Type-A cable. The keyboard is suitable for all environments, both home and office use, and is ideal for small spaces.