Triple Modes in 80% TKL -- Classic compact tenkeyless layout ，Support wired/wireless three modes，built-in Bluetooth 5.0 and 2.4Ghz wireless tech, maximize the desktop neatness in wireless mode and get you free from clueless cable management. Hot-swappable PCB design - you can DIY your own keyboard, you can replace the conventional MX three-pin and five-pin switches, you can also replace the keycaps, switch at will, and customize the keyboard that suits your usage habits. FSA ball cap - PBT two-color process, more oil-resistant, more durable, the ball cap increases the contact area, and at the same time has a slope, the experience is more comfortable. Kailh Box Red Switch - Linear switch，Smooth and light feelThe one renowned for its clicky, clear and also smooth feeling. CMK87 carefully selects this switch and strictly tune it to bring you the extremely fast and precise input experience Unwavering Steel Profiles - Apex quality sturdy material fills various components, covered with additional counterweight components, attached to the tank solid frame. That's the CMK87, designed to provide the toughest and purest typing experience. Nearly unlimited customization drives - 16.8 million colors in 10 different style modes and endless shortcuts are all easy to set up and assign. Check the following product details for software/driver download sources for good coverage