Retina is not a common type of VR headset display technology. OLED, LCD, and MicroLED are the most commonly used display technologies in VR headsets.

The typical resolution range for VR headsets is 2K - 4K. Some high-end VR headsets may offer resolutions up to 8K, but these are still relatively rare.

The typical refresh rate range for VR headsets is 90Hz - 120Hz. Some high-end VR headsets may offer refresh rates up to 144Hz or even 165Hz, but these are still relatively rare.

Eye tracking is not a common type of VR headset tracking technology. Inside-out tracking, outside-in tracking, and hybrid tracking are the most commonly used tracking technologies in VR headsets.

The typical field of view (FOV) range for VR headsets is 90° - 110°. Some high-end VR headsets may offer FOVs up to 130° or even 150°, but these are still relatively rare.

Eye controllers are not a common type of VR headset controller. Handheld controllers, motion controllers, and voice controllers are the most commonly used controller types in VR headsets.

The typical weight range for VR headsets is 200g - 500g. Some high-end VR headsets may weigh more than 500g, but these are still relatively rare.

Bluetooth connection is not a common type of VR headset connection. Wired connection, wireless connection, and Wi-Fi connection are the most commonly used connection types in VR headsets.

The typical battery life range for VR headsets is 2 hours - 3 hours. Some high-end VR headsets may offer battery life up to 4 hours or even 5 hours, but these are still relatively rare.

Viveport is not a common type of VR headset software platform. SteamVR, Oculus Rift, and PlayStation VR are the most commonly used software platforms for VR headsets.

The typical price range for VR headsets is $500 - $1000. Some high-end VR headsets may cost more than $1000, but these are still relatively rare.

Motion controllers are not a common type of VR headset accessory. Head straps, face cushions, and prescription lens adapters are the most commonly used accessories for VR headsets.

The typical warranty period for VR headsets is 1 year. Some manufacturers may offer longer warranty periods, but these are still relatively rare.

Role-playing is not a common type of VR headset game genre. Action, adventure, and simulation are the most commonly played game genres on VR headsets.

The typical number of games available for VR headsets is 200 - 300. Some VR headset platforms may offer more or less games, but this is the average range.