- 25X high power monocular with a 30mm objective lens for versatile outdoor viewing. Suitable for bird watching, concerts, football games, climbing, hiking, driving, watching wildlife and scenery. Mindistortion provides bright, sharp images with no color difference. - Long-lasting optics with BAK4 prism and lens. Light transmittance up to 99.5% delivers more light to the view, reduces chromatic aberration and ghost images, giving you a clearer, brighter and more colorful view. - Widely compatible with smartphones. The smartphone holder fits almost all models, easy installing and sharing, a good candidate for your next trip. - Comfortable and ergonomic design. Ergonomic one-hand operation helps you focus quickly and accurately. The long-lasting rubber armor with grain provides a comfortable, non-slip grip and durable exterior protection. - Use scenarios: bird watching and wildlife observation from a distance; enjoying distant details at concerts or sports events; hiking, climbing or scenic drives where distant scenery can be seen clearly.