【75% Percent Keyboard】:The 82 keys pc gaming keyboards adoption of 75% layout, it retains essential arrow and function keys while freeing up desk space. With N-key rollover, the computer keyboard can respond to the simultaneous press of multiple keys, helpful for using hotkeys or in a highly exciting real-time games.USB wired, plug and play! 【Multi-Functionality Metal Knob】: The rgb keyboard with control knob, volume level and mute can be controlled independently, and compatible Mac and Windows operating systems. The mac mechanical keyboard features 18 multi-function keys can convenient multimedia control according to your keypad and computer system. 【Hot-swappable & The pre-lubed Linear Red Switch】:High-quality PCB supports 3/5-pin hot-swappable, so you can enjoy the fun of making your own unique pc gaming keyboard without soldering. The mechanical red switch respond faster and improves the accuracy and initial pressure of the switch, effectively prevents false touches, triggers faster, and has strong stability. 【Gasket Mounted Mechanical Keyboard】The 75% mechanical keyboard uses a gasket-mounted design coupled with a Flex-cut PC plate, built-in 5 layers of sound insulation cotton, Poron sandwich cotton, IXPE under-axis pad, PET premium sound pad and bottom cotton, Noise is maximally reduced, The 1.2 mm PCB board slot and the PC positioning board slot optimize resilience and stability,making the hand feel softer and more elastic. 【Cool Ice White Light】:Illuminate your setup with AK820 Pro's vibrant LED backlighting. The white light key board have 20 backlight effects. 5 brightness levels and 5 lighting speeds. Press FN+| to change the light effects, Press FN+1! /2@/3# to custom 3 sets of gaming lighting effects, choose light recording mode and save lighting profiles. PBT keycaps featured with wear-resistant, waterproof and high light transmittance make the characters more clearly visible in backlight mode.