Hot Swap RGB gaming keyboard: Redragon K649 features hot swap switch sockets so you can plug in and out switches as your DIY preference. No need to solder for hours. Tri-Mode: 2.4Ghz: Bluetooth: USB-C wired Preinstalled Redragon Crystal Mechanical Switches. You can swap with 3-pin Mechanical clicky: linear: or tactile mechanical switches with this keyboard. A standard ANSI layout with standard sized bottom row makes Redragon K649 widely compatible with 3rd party standard keycaps available in the current marketplace and with wide range of color like white: black or pink keycaps makes the board pop out. The full aluminum metal top plate and ABS plastic bottom plate makes the build perfect for fine sound tuning. Superior Ergonomics and Compatibility: With the angle of the keyboard can be changed to match a more ergonomic typing experience. This Redragon K649 comes with Redragon Crystal Clear keycaps so your fingers and hand joints can preserve the jelly like substance and do not become stiff over time. Redragon K649 is compatible with a wide range of operating systems like Windows and Mac. Transparent housing: Crystal Clear KeyCaps: Crystal Clear switches: designed for better light aesthetic effects RGB backlight with programmed light patterns Gasket-mounted brings better typing experienced 2 sound dampening foam to reduce the noise from switches