Vuzix M400 Smart Glasses

The M400 is not worn like glasses. It is a monocular module holding display, camera and computer, clipped to a universal rail on Vuzix's own headband. Inside sits a Snapdragon XR1 at 2.52 GHz with 6 GB of memory and 64 GB of storage, a 640x360 OLED across 16.8 degrees at 2,000 nits, and a 12.8 MP camera, though Vuzix's current sheet says up to 13 MP.

It is built to be dropped and rained on. Vuzix rates it IP67 and drop safe to 2 metres, and quotes up to 12 hours on the hot swappable 3,200 mAh pack. Its own spec table lists 1080p at 60 fps while the marketing copy on the same page claims 4K, a contradiction the file records without resolving.

For a developer the path is open and documented. Vuzix publishes the HUD Resources library and the Connectivity SDK on GitHub with javadoc, supports Unity, Xamarin, Flutter and Unreal, and says most Android apps built for minSdkVersion 27 run as they are.

The complaints are about controls and fit. VR Expert called the touchpad unintuitive and unresponsive, voice control unreliable in noisy places, the frame fragile, and reported nose and ear pressure; Net4Connect found the same controls fine and faulted only the top buttons, which take a hand off the job. Vuzix publishes no weight, third party figures spread from 68 g to 190 g, and on 6 September 2026 both kits showed sold out while still listing 1,499.99 dollars.