APEXEL 10 x 25 Binoculars BAK4 Prism Zoom Telescope for Bird-watching Hunting Hiking(Black)1. Palm size, easy to carry around 2. The lens body can be folded to meet the needs of people with different eye distances 3. Multi layer high transmittance coating, high definition imaging 4. Large eyepiece, wide angle and large field of view 5. Rubber non slip texture, comfortable and not easy to slip parameter: 1. Material: plastic 2. Magnification: 10X 3. Objective lens diameter: 25mm 4. Vision: 306 feet 1000 yards 5. Distance: 5 1000m 6. Eyepiece