Manufacturer: Recon Instrument
Launch Price: $699 (£514)
Release Date: August 2015
Headset Type: AR Smartglasses
Display: WQVGA (400 x 240 Resolution)
CPU: GHz dual-core ARM Cortex-A9
Field of View(FOV): 25°
Refresh Rate: 40 Hz
Battery: 490 mAh
Weight: 85g (2.99 oz)

Manufacturer: Optinvent
Launch Price: $699 (£515)
Release Date: April 2014
Headset Type: AR HMD
Display: ORA AR
Field of View(FOV): 30°
Refresh Rate: 40 Hz
Battery: 1200 mAh
Weight: 80g (2.82 oz)

Manufacturer: Atheer Labs
Launch Price: $667 (£491)
Release Date: August 2013
Headset Type: AR Smartglasses
Display: Twin 960×540 see through TFT LCD
Field of View(FOV): 35°
Refresh Rate: 40 Hz
Weight: 175g (6.17 oz)
Tracking: 3 DoF Non-positional

Manufacturer: Technical Illusions Inc
Launch Price: $400 (£294)
Release Date: February 2015
Headset Type: AR Smartglasses
Display: 2 Micro-Projectors on top
Field of View(FOV): 65°
Refresh Rate: 120 Hz
Weight: 112g (3.95 oz)

Manufacturer: DigiLens Inc
Release Date: May 2013
Headset Type: AR Smartglasses
Display: Holographic Polymer-dispersed Liquid Crystals
Field of View(FOV): 25°
Refresh Rate: 40 Hz
Weight: 108g (3.80 oz)
Tracking: 3 DoF Non-positional

Manufacturer: Lumus Vision
Release Date: December 2013
Headset Type: AR Smartglasses
Display: OST Near-eye at 1280 X 800
Field of View(FOV): 40°
Refresh Rate: 40Hz
Weight: 116g (4.09oz)
Tracking: 3 DoF Non-positional

Manufacturer: Lumus Vision
Release Date: April 2012
Headset Type: AR Smartglasses
Display: OST Near-eye at 1280 X 800
Field of View(FOV): 40°
Refresh Rate: 40Hz
Weight: 110g (3.88 oz)
Tracking: 3 DoF Non-positional

Manufacturer: Teracle Inc
Launch Price: $400 (£295)
Release Date: Febuary 2016
Headset Type: AR Smartglasses
Display: Micro-OLED at 2560 PPI
Field of View(FOV): 40°
Refresh Rate: 40 Hz
Weight: 85g (2.99 oz)

Manufacturer: Zeal Optics
Launch Price: $350 (£258)
Release Date: March 2014
Headset Type: AR Smartglasses
Display: Micro LCD display
CPU: Unknown
Field of View(FOV): 40°
Refresh Rate: 40 Hz
Weight: 207g (7.30 oz)