Xiaomi calls this a "concept," but it seems like a working product.
Xiaomi shows off its Mission Impossible-inspired smart glasses that come with a microLED display - SoyaCincau
Xiaomi now has smart glasses with a built-in display as well! - Marksmen Daily - Your daily dose of insights and inspiration
Xiaomi shows off smart glasses with an all-green microLED waveguide display
Xiaomi AR Glasses Add Micro OLED and Dimming Lenses - CNET
Xiaomi reveals wireless AR glasses with Retina-level adaptive display
What are the specs of Xiaomi glasses? - Quora
Xiaomi Announces Its Very Own Smart Glasses, Surprises Everyone
Past, present, and future(?) of smart glasses - EDN Asia
AR on the Rise: Can It Dominate Head-Mounted Displays? - Information Display - Wiley Online Library
Xiaomi Announces Its First-Ever Smart Glasses Challenging Facebook's Ray-Ban Stories
Xiaomi shows off smart glasses with an all-green microLED waveguide display
Changing the microdisplay driving paradigm with LCoS and microLEDs – An interview with Compound Photonics