CASE MATERIAL: Black Transparent ABS PLATE MATERIAL: Steel STRUCTURE: Soft Silicone Lite Gasket KEYCAPS: PBT Material, OEM Profile SWITCH: Glacier Mechanical Series (Pre-Lube) STABILIZER: Pre-lubed HOT SWAP: Support 3-pin and 5-pin Switches and Knob Modules BACKLIGHT: RGB SPLIT SPACEBAR: 2.75U/2.25U/1.25U BATTERY CAPACITY: 4000mAh CONNECTION: Bluetooth 5.1 & 2.4G Wireless / Type-C to USB connection