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Vuzix M400 Smart Glasses Review

The Vuzix M400 Smart Glasses are reviewed for their cutting-edge technology, highlighting their robust design, advanced augmented reality capabilities, and flexibility for various professional applications. The review covers the glasses’ performance, battery life, and ease of use, making them a powerful tool for enhanced productivity and efficiency in different industries.

Vuzix Smart Glasses

Table Of Contents

First Impressions and Design

The Vuzix M400 smart glasses is akin to having an Android phone attached to your head. Right from unboxing, the M400 impresses with its sleek, zip-up protective case, making it easy to transport and ensuring the device stays safe. My initial reaction was to marvel at how lightweight the device is, complemented by its high-quality ergonomic design. This smart glass is not just about advanced technology but also about user comfort and wearability.

Vuzix M400 Smart Glasses
Vuzix M400 Smart Glasses

Wearability and Flexibility

One of the standout features of the M400 is its versatility in wearability. Vuzix provides several accessories to adapt the device to any environment, including a headband, lens less glasses, safety glasses, a baseball cap attachment, and hard hat mounting options. My personal favourite is the baseball cap version, not just because it makes me look cool, but also due to its comfort and practicality. Another noteworthy point is that all these options allow the M400 to be used with either the left or right eye, providing high flexibility for different user setups. The screen is mounted on a three-way bevel, making it incredibly easy to adjust and position for individual comfort.

vuzix m400 review
Vuzix M400 Starter Pack Contents

Power and Battery Life

The M400 excels in its power management. It offers a variety of battery options, ensuring standby times ranging from two and a half hours to over a week. The hot-swappable batteries are a game-changer; you can change them while using the device, which effectively makes battery life a non-issue. Backup batteries can be interchanged as needed during operation, providing continuous use without interruptions.

Device Control

Controlling the M400 is intuitive and versatile. There are three buttons on the side of the device for navigation and item selection. Additionally, there’s a touchpad that can function as a Haptic Touch control pad or be switched to act like a mouse with a pointer displayed on the screen. However, the real magic lies in its voice control capabilities. With a bit of practice, I found voice commands to be a quick and efficient way to operate the device and the longer I used the device, the more this became my preference.

vuzix m400
Vuzix M400 Smart Glasses

Display and Additional Features

For the tech enthusiasts, the M400 features an nHD colour display with an OLED screen and a 16:9 aspect ratio. For the rest of us, it means a high-quality, full-colour display perfect for reading PDFs, viewing images, scanning barcodes, or video calling colleagues. Additionally, the device includes an HD camera, microphone, speaker, and flashlight, making it a well-rounded tool for various tasks.


The Vuzix M400 smart glasses are a powerhouse device that is light enough to be worn for extended periods. Its flexible setup options mean it can be adapted to almost any setting. The Android operating system allows for a vast array of applications, and if an off-the-shelf solution doesn’t fit your needs, it’s easy to develop a custom application. The M400 truly stands out as a versatile, user-friendly smart glasses that bridges the gap between technology and practicality.

Alex Taylor, CEO of Net4

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