Side-Printed PBT Keycaps: Durable and stylish with gradient shine-through design. 82-Key Compact Layout: Includes multifunction knob for added convenience. Upgraded Gasket Mount: Enhanced typing feel with 20 silicone sockets. Triple-Mode Connectivity: Bluetooth 5.0, 2.4G wireless, and Type-C wired. Hot-Swappable PCB: Supports 3/5-pin switches for customization. 16.8 Million RGB Lighting: South-facing LEDs with 16 preset effects. 5 Layers of Noise-Reducing Foam: PORON, IXPE switch pad, PET noise cancellation pad, EPDM dampening pad, and silicone pad. Pre-Lubed Switches: Smooth and responsive Kailh Dawn, Spring Morning, or Cyan Sea switches. Long Battery Life: 5000mAh with smart power-saving mode. Mac & Windows Compatibility: Fully programmable keys with software support.