4.3 inch screen portable amblyopia booster 7 colors.

Description:

4.3 \"portable video magnifier.

Product specifications:

* magnification range: 5 x to 20.5 x (5 x, 8.5 x 10 x, 16.5 x, 20.5 x)

* display: 4.3 \"diagonal: 4:3 wide height ratio.

* display mode:

Seven modes: full color, white background, white word black background, blue word white background, black character yellow bottom, blue word yellow bottom, black word green bottom.

* freezing: freezing and thawing.

* video output: any video and monitoring.

* integrated battery:

Lithium ion rechargeable battery.

4 hours of continuous use.

6 hours charging time.