Features:Portable binocular with 10x powerful magnification, 25mm objective lens.Fully multi-coated optics guarantee superior light transmission and brightness without any color difference.Center focus system makes it easy and quick to sharpen your view.Right eye diopter adjustment eliminates parallax by right eye trimming.Nonslip aluminum construction offers a firm grip and durability.Adjustable width for different size faces. Folded: 2.8 * 4.5 * 2.2in; Open size: 4.1 * 4.5 * 2.2in.Compact size fits in your pocket, convenient and easy to carry.Perfect for sports, wildlife, concerts, sightseeing, hunting, birdwatching, travel, theater, football ground, mountaineering and outdoor tourism.