The Vuzix M400 and M4000 belong to the best smart glasses for business on the market. The Vuzix devices both have an outstanding camera. Providing 4K video and 12.8 MP camera shots. This allows for easier error spotting/diagnostics, therefore, enabling a higher level of work efficiency. The Vuzix M400 and M4000 are built for the workplace and are ideally suited for use in manufacturing, field service and warehouse logistics.