Expert Features 

• 2.1-Inch Intelligent Auxiliary LCD — A compact square display (480×480) that sits inside your ARGB PC case like a tiny command center, showing real-time system stats, water-cooling data, CPU/GPU usage, RAM load, temperatures, time, and more.
• DIY-Friendly “Open Design” Ecosystem — Unleash your inner mad scientist with 1000+ downloadable themes from the MiraBox SPACE Cloud Space Station. Switch between cartoon sets, sci-fi dashboards, globe animations, 2D/3D creations, clocks, CPU meters, game scenes, and user-generated masterpieces.
• Dynamic Video Background Support — Plays .jpg / .png / .gif / .mp4 / .mov files with synchronous display, zero loading, and instant “what-you-see-is-what-you-get” rendering. Perfect for looping animations, music visualizers, character art, or your favourite VTuber dancing behind your temps.
• USB One-Wire Communication (No GPU, No HDMI) — Uses a USB-C / 4PIN connection that carries both data and power. No video card lanes are used. No HDMI ports are sacrificed. Just one wire and boom — it’s alive.
• MiraBox Craft Theme Editor + Community Hub — Customize fonts, layouts, audio visualizers, stickers, calendars, system-monitoring text, network speed meters, and more. Upload your creations to the SPACE community or download others’ works endlessly.
• Theme Carousel Rotation (Up to 9 Themes) — Drag to sort themes, set individual play intervals, and let the DR21 cycle through your aesthetic moods like a tiny digital gallery.
• Water-Cooling Screen Mode — Displays pump speed, coolant temperature, and other liquid-cooling vitals in real time for performance junkies.
• IPS Full Viewing Angle + Metal Shell — A sturdy 70×70×11 mm metal body with bright multi-angle visibility—perfect for PC showcase builds.
• Universal Windows Support — Works on Windows 7 or newer, supporting OEM & ODM customization, screen rotation (0°/90°/180°/270°), and multidevice control from a single software suite.

Expert Specs