It is compactly foldable binoculars. You can use for a travel, a concert, play going, etc. Case strap are included.. Magnifications: 8 times. Objective diameter: 21mm. Field of View: 7.1 Degree. FOV@1000m: 124m. Exit Pupil: 2.6mm. Brightness: 6.89. Eye Relief: 11mm. Close focus distance: 5m. Size: 98x35x105mm. Weight: 210g