Specification Brand FEKERLayout 80 layoutKeys Amount 84 KeysCase Frosted ABS CaseColor Black WhiteMute cotton YesSwitch 3 5pin are adjustable Hotswap terminalConnection Triple Mode USB Wiredbluetooth LE 5 02 4Ghz Windows 7 8 10 for Mac Linux Backlit 16 8 Million RGB BacklitRGB effects 18 kindsLight Source SMD Lamp BeadsAnti Ghost Key NKROBattery Built in 6000mAh 3000mah 3000mah Rechargeable Li ion Battery USB Operating Current DC 5V 500mA MaxCable Detachable 1 8m Type C USB CableFeatures Hotswap Keyboard DIY Kit The custom kit is equipped with hot swappable terminals with which you could install the switches directly without soldering It s compatible with Cherry MX switches Kailh switches and Gateron switches and other 3 pin or 5 pin switches You can easily build up your own mechanical keyboard with this kit Mute cotton A high configuration of mechanical keyboard Eliminate cavity sound increase sound thickness reduce keyboard resonance 16 8 Million RGB Backlight RGB is such a cool element while playing games This custom kit fully know your needs and thus this model is equipped with RGB SMD light More than 16 8 million lights are available It s more than a keyboard but also a fun toy Working with driver program to Re assgn for all of keys and Recording Macro Professional 84 key Keyboard This is 80 layout PCB widely compatible with most of 84key keyboard case you could change the case as you wish The chipset is 32 Bit MCU 8M Flash o