[DESCRIPTION] Hot swap PCB & Factory Pre-lubed Stabilizers.Hot-swappable sockets for easy customization including Cheery MX, Kailh, Gateron switches, and other 3-pin/5-pin switches. With RGB lighting effects EVA foam and Silicone Pad Sound AbsorptionTo maximally avoid hollow sound, adopts layers of EVA foam in total. These are placed respectively between the PCB and PC plate and bottom buffered silicone. In this way, the typing sound is more solid, and the hollow sound is greatly eliminated. EVA foam and for sound absorption. All Key Support ProgrammableThe knob in the top right-hand corner is multi-function with one button: Volume+ / Volume- / Play / Stop. [/DESCRIPTION] [SPECIFICATIONS] ? General Brand: ACGAM Type: DIY Keyboard kit Model: KW75 Specification Key Amounts: 81-key? Case Material: ABS Plastic Switch Socket: Hot Swappable 3/5pins Plate Material: PC Connectivity: Type-C Wired/Bluetooth/2.4G Wireless Anti-Ghost: NKRO in All Keys Backlit: SMD RGB Backlit Battery: 4000mAh Weight & Size Product Weight: 0.867kg Package Weight: 1.1kg Product Size(L x W x H): 33.3*14.3*4.3cm Package Contents 1 x DIY?Kit (Includes PCB, Mounting Plate,?Plastic Case, and Stabilizers) 1 x User Manual [/SPECIFICATIONS]