Waterproof The small binocular is made by ABS plastics, featuring good hand feeling and waterproof, so it can be applied for the outside activities.
Nice Gifts The package includes a nice small cover bag, long nick strap and a pair of light gathering cover for improving the portability. It is a nice gift for families, friends, teenages and kids.
Adjustable Eyecups & Interpupillary Distance
For achieving the best performance of this HD binoculars, people who wear glasses, please keep the eyecup twisted down, and people who not wear glasses or sunglasses, please keep the eyecup fully extended.
For achieving the most comfortable image (a single image when observation), please rotate the barrels in or out to match the IPD of your eyes.
How to Focus
Choosing an object about 20 yards for helping you to adjust the vision differences in each eyes by using the central focus and diopter adjustment wheel with the following steps:
Looking at the object with your left eye and adjusting the center focus until the image is in focus (closing your right eye or block the right objective lens with your hand may be helpful).
Looking at the object with your right eye and rotate the diopter ring until the image is in focus (closing your left eye or block the let objective lens with your hand may be helpful).
Neck Strap
Just simply tie the neck strap the the place showing in the picture when you travel.