Acoustically Tuned Sound Profile: Multi-layer foam dampening, silicone gaskets, and an internal lead-free brass weight combine to produce a soft, deep, and non-resonant typing soundclean and refined, without metallic ping or hollowness.; CNC Aluminum Case with Dual-Stage Finish:Made from 6063 aluminum alloy and finished with 180-grit electro-coloring and 220-grit anodizing for a durable, matte texture and premium feel.; Quick-Release Structure: Tool-free ball-catch system and magnetic pogo-pin PCB allow fast access. Instantly switch between 4 built-in mounting styles to customize sound and typing feel.; Tri-Mode Wireless Connectivity: Supports USB-C wired, 2.4GHz low-latency, and BT connections. Compatible with macOS and Windows. Rear compartment securely stores the 2.4G receiver.; Dual Battery Options: Lite version includes a 3000mAh battery; Ultra has a 6000mAh battery. Both support USB-C fast charging for uninterrupted wireless mechanical keyboard performance.; The Lite version features smooth HMX Violet switches with stable factory tuning. The Ultra version debuts the Kailh Lunaan MX-stem BOX switch with a crisp bottom-out and expanded acoustic space. Both are hot-swappable and built for long-term durability. The bottom foam inside the keyboard can be adjusted or removed to suit your preferred typing feel.