1. With a vision adjuster, it is easy and convenient without hand-holding 2. Using the working principle of the telescope, adjust the focal length on both sides of the frame to obtain clarity 3. Equipped with white lenses and small brown lenses to prevent glare from water reflection, white and brown lenses can be switched by the push-pull lever inside the frame 4. Suitable for fishing enthusiasts, suitable for presbyopia and myopia (below 500 degrees) 5. PVC frame, not easy to break and wear, durable 6. Weight: 47 grams
