The Vive Focus series is different from most HTC products. First of all Focus focuses on training using virtual reality technologies Therefore, the company's decision was to develop a standalone VR headset does not require connection to a computer. The new Focus 3 helmet has become even more powerful and comfortable. 
The biggest feature upgrade for the Vive Focus 3 is its display. Focus 3's field of view has improved significantly than its predecessor Focus Plus - the user will now be able to watch content with a FOV of 120 degrees at a supported refresh rate of 90 Hz. The display outputs an image of 2448 × 2448 pixels to each eye. The characteristics of the standalone version are comparable to the wired HTC Vive Pro 2 helmet.