The Vuzix M400 is a powerful and smart wearable that combines the convenience of a digital assistant with the power of an augmented reality device. With its slim design, the Vuzix M400 fits comfortably and securely on your head, enabling you to access digital features, hands-free.
One of its key features is the dual HD display that superimposes transparent digital information onto a physical space. This information can be from your calendar, emails, or notifications, and can be presented in 3D augmented reality for a more immersive experience. Additionally, the Vuzix M400 is equipped with a camera and microphone that allow you to take photos and record audio, making it a truly powerful and enhanced device.
Your M400 Smart Glasses System is an ergonomically designed, wearable Android-based computer with Wi-Fi connectivity, voice-command functionality and HD camera — right out of the box, including:
• M400 viewer with an adjustable display screen
• USB-A Battery
• USB-A to USB-C power cable
• USB-A to Micro USB cable (for charging the USB-A Battery)
• M-Series Lens-less frames
• Soft case for storage
Charge the battery before use with a wall charger, and wait until all three LEDs are solid. Can take up to two hours if the battery is fully empty
1. The viewer will be worn on the dominant eye. Before attaching the viewer to either side of the Smart Glasses frames, determine your dominant eye for optimum use of M400 capabilities.
2. Attach the viewer to the side of the frame by sliding the mounting rail onto the temple mount on the frames. Once properly fitted, the unit will be adjustable by sliding forward and backward.
3. Using the same mounting process, attach the USB-A battery to the other side of the frames.
4. Plug the USB-C end of the connector cable into the viewer and the USB-A connector to the USB-A battery. Press the power button on the battery for 2 seconds to turn on the system. The LED on the battery will illuminate when the system is powered on.
5. When ready to wear your M400 Smart Glasses, lift the power cable over your head to rest on your shoulders as you place the Smart Glasses as you would a pair of glasses.
6. Ear hooks and alternate nose pads are available for proper fit.
How to determine your dominant eye: Extend your hands, placing them together to make a small triangle between your thumbs and knuckle. Keeping both eyes open, center a nearby object inside the triangle. Close each eye one at a time. Notice how the object moves out of view when one eye is closed? When the object remains in view, the open eye is your dominant eye.
1. Make sure the Smart Glasses frames are resting comfortably on your head. Frames can be worn over the top of a majority of regular prescription eyewear. The nosepiece of the frames can be adjusted to fit comfortably and securely.
2. After mounting the viewer, adjust the viewer as shown until it is a comfortable distance and preferred position from your dominant eye.
3. Adjust the eyepiece as shown until you can see the full image.
4. Additional mounting options, including frames with prescription lenses, safety frames, hard hat, headband mounts, and more, can be found online at Vuzix.com under Products > M400 Smart Glasses > Accessories
FOCUSING NEAR-FIELD: First time users may find some challenges focusing their near-field
vision on the M400 display. Make sure to keep both eyes open, some users may need up to 20 minutes to adjust.
One finger:
• Tap to activate selection or
turn on the screen
• Hold to activate menu
• Swipe up/down/left/right to
move selection
Two fingers:
• Tap to go back or return
• Hold to go to home screen
• Swipe back for backspace
• Swipe forward for delete
• Swipe up to raise volume
• Swipe down to lower volume
Three fingers:
• Tap to turn off screen
Short Press for primary functions:
Front: Forward navigation
Center: Back navigation
Back: Select
Long Press (approx. one sec) touch for secondary functions:
Front: Open menu
Center: Exit to home menu
Back: Back one step
The M400 can be activated by “Hello Vuzix” when properly configured. The M400 will listen for voice commands for 15 seconds by default.
To activate Voice control, open the Settings menu and navigate to System -> Speech Recognition. Enable the speech recognition. A full list of voice control commands can be viewed from that same settings menu.
Color | Meaning |
Green | On |
Blinking Red | Too low to power on, keep plugged in to USB and charge. |
If the battery runs out of power the viewer will display a message on the screen
Press and hold the power button on the viewer to access the power menu.
• To reboot, highlight the reboot entry and activate it.
The viewer will power off and automatically turn back on.
• To fully power off, highlight the power off entry and activate it. The viewer will ask you to unplug the USB cable. After you unplug the cable the viewer will fully power off. Leave the cable disconnected while the viewer is off. The battery will power off as soon as it’s unplugged. If the USB cable is unplugged the device will power off after about five minutes. If the internal battery is already discharged this may occur sooner.
The M400 comes preinstalled with several standard applications such as Camera, Gallery and QR and barcode Scanner.
The M400 Application Carousel has multiple sections for helping organize and easily access your most commonly used M400 applications. A long press on the center button while on the home screen will toggle between All Apps section, an automatically populated Recently Used section and a Favorites section.
For more information on managing applications, visit: www.vuzix.com/support
The M400 will automatically check for updates once it is connected to Wi-Fi. Click Update on the following pop-up
NOTE: If your corporate firewall prevents access to the external website, your system administrator may provide additional settings for your M400 or may provide a software update offline.
Developer documentation is available at vuzix.com/developers. In order to power the unit during development, please note:
• The included battery does not support data pass-through.
• The viewer should be plugged into the developer’s machine with a USB C-to-C cable for the best experience.
• If a USB A-to-C cable must be used, then using a CDP-capable port will provide enough power. If the USB-A port is not providing sufficient power, functions of the device may become impaired without notice, and the viewer may shut down completely.
SYMPTOM | DIAGNOSIS | REMEDY |
M400 will not turn on and status LED is not lit | Battery is discharged | Connect battery to wall charger for up to two hours for a full charge, then connect battery to viewer. |
M400 will not turn on and status LED is blinking red | Internal battery is discharged | Leave viewer connected to USB power. System will begin booting within a few minutes. |
M400 display is blank but status LED is lit | Screen has turned off to conserve power | Tap the power button or the touchpad to wake the screen |
M400 powers off after 20-30 minutes while plugged in to USB | USB source does not provide enough current | M400 can draw up to 1.5A while in operation. |
• Clean the viewer and battery with a damp cloth and mild detergent if necessary. Do not use all-purpose cleaners as these may damage the seals and impair the water resistance.
• Make sure that there is no standing water in the USB connector before inserting the cable.
• Do not insert sharp objects into any holes in the viewer as this may damage the mesh and impair the water resistance.
• Do not use metal objects to clean the USB port as this may cause electrical damage.
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