♕Special for Viewing - The Binocular Glasses use the working principle of a remote telescope to adjust the focal length on both sides of the frame to obtain clarity. Designed for fishing, bird watching, sports, concerts, theater, TV, and sightseeing. ♕Humanized - The glasses are equipped with white lenses and small brown lenses to prevent glare from water reflection. Very humanized design. Recommended/ ♕Material - High-definition optical glass lens. Its frame is lightweight PVC material, with good elasticity. Not easy to break and wear, durable and easy to carry. It can be worn for a long time. ♕Features - Portable fishing glasses, has focus adjustment and rear lens shift. Yellow filter mode and white lens mode. It is suitable for both day and night fishing. ♕Widely Used - Easy focus HD binoculars, free switching day and night, can be widely used for hiking, climbing, bird watching, watching wildlife and landscapes, golf, concerts, and travel.