Mounted Display) designed for watching movies and games on a huge virtual screen, and it is not a full virtual reality headset like Quest or Vive. 
Key Specifications
• Two separate AMOLED screens, one for each eye.
• 1920×1080 resolution per eye.
• Virtual screen equivalent to approximately 800 inches at a virtual viewing distance of 20 meters.
• Supports 2D/3D video playback.
• 53-degree field of view.
• Ability to adjust vision for each eye without the need for prescription glasses in many cases. 
What can it be used for?
• Watching movies and series.
• Playing games from PC or consoles.
• Connecting to a laptop or computer via HDMI.
• Using it with PS4, Xbox, Switch, and some phones via appropriate adapters.
On offer. Please do not lowball.