Easy to use, use this device and your smart phone you can watch 3D video anywhere.
For near sightedness user also can use it without glasses (In general the glasses should be below 5 diopters).
The adjustable pupil distance and focal distance protect eyes from dizzy. Rotate the two lens knob to adjust the focus till the screen is clear. Rotate the adjust knob on top middle to adjust pupil distance till double image disappears.
Compatible with 4.0-5.8 inches smart phones with the size up to: 165*85mm.
When using 3D glasses you can charge your phone or use earphone.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.9 inch
Height : 4.3 inch
Length : 8.6 inch

Item Weight: 12.48 ounce (View shipping rates and policies)
Shipping Weight: 1.05 pounds (View shipping rates and policies)

ASIN : B01JLJ1XT2