Professional powered monoculars with 25x magnification and a 30 mm objective lens. Suitable for bird watching, concerts, football games, climbing, hiking, driving, watching wildlife and scenery. It provides bright and sharp images with no color difference, while offering higher resolution and greater light transmittance. Long lasting optics with BAK4 prism and lens. Light transmittance up to 99.5%, delivering more light to the view, reducing chromatic aberration and ghost images for a clearer, brighter, and more colorful view. Widely compatible with smartphones. The smartphone holder fits almost all smartphones on the market. Easy installation and easy sharing. Comfortable and ergonomic design. Ergonomic design enables quick and accurate focusing with one hand. The rubber armor with grain provides a comfortable, nonslip grip and durable external protection. Use scenarios nature walks and wildlife viewing, including bird watching attending concerts or football games for close up viewing from a distance outdoor activities such as climbing, hiking and road trips to enjoy distant scenery