characteristic: Pocket Binoculars Binoculars lighter than mobile phones, won't add extra weight to your backpack,Fordable and portable design perfect for taking around anywhere--opera, concert, theater, shows, traveling, hiking, wildlife, bird watching, football game,outdoor sports. With one hand! Durable and Anti Slip DesignThe binoculars are made of High quality rubber, durable anti-slip grip is more convenient to use in the bad weather, The pocket size binoculars is not only suitable for men and women,but also suitable for kids. It is wonderful to be a gift for family and friends. Easy to FocusAdjust by smooth "center-focus knob", Easy to focalize, simple to use for both adults and kids. Wide&Clear Vision8x21 optics binoculars,Designed with 8X magnification, 24mm objective lens and large field of view. Lens made with BAK4 prism increasing light transmission for a brighter view and sharp images. You Need This!This binocular perfect for adults, kids, concerts, opera, plays, shows, travel, hiking, camping, sport events, bird watching. Specifications: Magnification: 8x Eyepiece diameter: 24mm Objective lens diameter: 42mm Prism: BAK4