High-quality optics: Featuring a BAK4 prism and lens, light transmission up to 99.5%, delivering more light to the view, while reducing chromatic aberration and ghost images for a clearer, brighter, and more colorful view. Broad smartphone compatibility: The smartphone holder fits almost all phones. Quick to install and easy to share what you see, making it a practical companion for travel and on the go. Professional high-performance monocular: 25x magnification with a 30 mm objective lens. Ideal for birding, concerts, sports events, climbing, hiking, driving, wildlife and landscape viewing. Provides higher resolution, greater brightness, minimal distortion, and bright, sharp images with accurate color. Easy to use: Align the eyecup and adjust the focus wheel until the image is clear and bright. The included smartphone holder and retractable, stable tripod make it simple to capture HD photos or videos. Use scenarios: - Bird watching and wildlife observation in nature - Attending concerts or sports events for close-up viewing and recording - Travel, hiking, driving, and landscape photography or videography with a stable setup