| Country of Origin | China |
|---|---|
| Color depth | 24bit input |
| Working current | 5mA |
| Eyepiece | 16X optical |
| Display frame frequency | 120Hz (NTSC),100Hz (PAL) |
| An exit pupil diameter | 1-2m |
| Color | Black |
| Video signal | NTSC/PAL/SECAM automatic selection |
| Viewing angle | 45°diagonal |
| Video input | composite AV/CVBS |
| Brand | Unbranded |
| Type | Head Mounted Display |
| Power consumption | 0.1W |
| An exit pupil distance | 20mm |
| Screen Ratio | 4:3 |
| Display | 0.39 inch OLED |
| Resolution | 800 x 600 |
| Working voltage | 3.7 - 5V |
Check the listing for details. V770 PRO-C (USB Interface) Portable Wearable Head Mounted Display 0.39" OLED. Color: Black, Condition: New, Made in China. Listed at 128.34 USD. In addition, ultrasound is more and more widely used in our life and work. Super use is very disturbing for users and objects to use at night and outdoors. The display of the machine itself will emit a strong light when working at night, which interferes with the resting object.