Tech Specs 
Technology 
Model Type
     See-through OTG (Over the Glasses)
Optical
Display Device Type
     Si-OLED (Silicon - Organic Light-Emitting Diode)
Driving Method
     Mono Crystalline Silicon Active Matrix
Display size
     0.43 inch wide panel (16:9)
Pixel Number
     921,600 pixels ( 1,280x 720) x RGB
Field of View
    Approx. 23 °
Screen Size (Projected Distance)
    40 inches at 2.5 m - 320 inches at 20 m
Colour Reproduction
    24 bit-colour (16.77 million colours)
Refresh rate
    30 Hz
Sensors
Camera
     5 million pixels
Compass
     Yes, Headset only
Gyroscope
     Yes, Headset only
Accelerometer
     Yes, Headset only
Microphone
     Optional
Ambient Light Sensor
     Yes
Connectivity
microUSB
     USB 2.0
Connector ports
micro-USB, 4 pin mini jack (earphones with microphone complying with the CTIA standard) x1, USB Type C, HDMI
User interface
Function key
     2D/3D, Brightness, Volume (+/-), Power
Supported file formats
3D supports
     Side By side
Connection Terminal
USB I/O
     Micro-USB
General
Operating Temperature
     5 ° C - 35 ° C, 41 ° F - 95 ° F, 20 % - 80 % Humidity
Power Supply Voltage: AC adapter
    100 V - 240 V AC +/- 10%, 50 Hz/ 60 Hz, with Micro USB cable
Dimensions: Headset
     194 mm x 176 mm x 30 mm (D x W x H)
Dimensions: Controller
     85 mm x 52 mm x 15 mm (D x W x H)
Weight Headset
     119 g
Storage Temperature
     10 °C- 60 °C / 10 %- 90 % (no condensation)
Power Supply Voltage Controller
      5 V, 2 A (when AC adapter connected)
Weight Controller
      45 g
What's in the box
AC adapter, Belt clip, Cable retainer, Carrying Case, Flip-up shade, Headset, Interface box, Micro-USB cable, Mounting screw, User's Manual Set