Manufacturer: PiPo
Launch Price: $70
Release Date: December 2016
Headset Type: Other
Display: 5.5 inch LCD 1280 x 720 (HD) IPS
Field of View(FOV): 90°
Refresh Rate: 40 Hz
CPU: RK3126 Cortex-A7 Quad Core
GPU: Mali 400 MP2 ,Support OpenGL ES1.1/2.0
Weight: 414 g (0.41 KG)

Manufacturer: Hy-Ram
Launch Price: $140
Release Date: March 2017
Headset Type: Other
Display: 5.5 inch LCD screen at 720PHD
Field of View(FOV): 60°
Refresh Rate: 40 Hz
Weight: 434 g (0.43 KG)

Manufacturer: Avegant
Launch Price: $599 (Headset Only)
Release Date: December 2013
Headset Type: Other
Display: LCD single panel at 1280 x 720
Field of View(FOV): 40°
Refresh Rate: 60 Hz
Weight: 434 g (0.4. KG)
Tracking: 3 DoF Non-positional

Manufacturer: LeEco
Launch Price: $300 (£218)
Release Date: June 2015
Headset Type: Other
Display: 5.5 inches Sharp liquid crystal panel 2560 x 1440 resolution
Field of View(FOV): 70°
Refresh Rate: 45 Hz
Weight: 450g (15.87 oz)

Headset: Impression Pi
Manufacturer: uSens
Launch Price: $499 (£363)
Release Date: June 2016
Headset Type: Other
Size Compatibility: 4.7″ to 6.2″
Field of View(FOV): 90°
Interpupillary Distance Adjustment: Yes
Weight: 210 g (7.40 oz)

Manufacturer: GOOVIS
Launch Price: $799 (£584)
Release Date: Febuary 2021
Headset Type: Other
Display: Twin customized AM-OLED at 1920 X 1080 Per Eye
Field of View(FOV): 90°
Refresh Rate: 50 Hz
Weight: 200g (7.05 oz)

Manufacturer: VitoDiBari
Announced Date: December 2009
Release Date: Never Released
Launch Price: Unknown
Device Type: VR Headset (Other)
Display: Unknown
Diagonal Field of View(FOV): Unknown
Refresh Rate: Unknown
Weight: Unknown

Manufacturer: EyeNetra
Announced Date: June 2015
Release Date: June 2015
Launch Price: Unknown
Device Type: Handheld VR (Smartphone Powered)
Display: Smartphone
Diagonal Field of View(FOV): 80°
Refresh Rate: N/A
Weight: Unknown

Top 10 Key Selling Points: UR Gear Headset Infra Red beam.