Customizable Rainbow Light Effects and Keys AK680 Wired Version has mini-LEDs underneath each key for dazzling, mesmerizing lighting effects. 20 pre-set light effects and comes with a driver that allows you to draw on your keyboard. Remaps and programming keys are also easy with the accessible driver. Note that the dual-mode wireless version does not have lighting effects. Three-layer Silencer Gasket Mount Hotswap Keyboard The 68-key custom keyboard adopts gasket structure, which is a popular structure at present and has fewer screws. Professional EVA sandwich filling technology is also used to make the typing experience more harmonious and the sound crisper and more pleasant. The three-layer gasket structure is very suitable for daily office work and typing, which is the best choice for typists, programmers and office workers. The 65% layout saves 30% space compared to the 104-key keyboard, making the desktop tidier and cleaner. High-Quality Sleeve Switch with Metal Contacts This high-quality sleeve switch includes the following six parts from top to bottom: a cross switch post with optimized key feedback, a stretch spring that provides 45G trigger pressure, an upper switch cover that protects the inner switch from dust, a metal contact that ensures fast response, a bottom case that protects the interior from dust, and a transparent sleeve contact. This structure can effectively protect the surface of the bearing and switch, reduce friction prevent oxidation, and play the role of positioning and support.