Adjustable Tint Sunglasses with Built-in ND Filter (Polarized) – ND-9 level adjustable

ND-9 level adjustable sunglasses offer customized protection from sunlight with nine levels of tint control, making them perfect for every environment from the brightest beaches to shaded urban landscapes. Simply twist the lens or use the built-in adjustment gears to fine-tune light intensity, keeping vision clear and glare-free while ensuring comfort all day.ottersprings+5

Features & Benefits

• Stepless ND-9 level adjustment lets users manually select their preferred darkness from 1 to 9, adapting instantly to changing lighting conditions outside, indoors, or while driving.wuzzos+2

• Advanced ND filter lenses block over 99% of UVA and UVB rays for superior eye protection, helping reduce strain and preventing long-term damage.accio+1

• High-definition polarized lenses cut glare, boost visual clarity, and preserve color richness in every setting—be it travel, fishing, sports, or everyday use.u-buy+1

• Stylish, lightweight, and comfortable for all-day wear, these sunglasses fit a wide variety of face shapes and personal styles.alibaba+1

Technology

• ND-9 (neutral density) filter technology is inspired by professional photography filters, using two polarized layers that rotate against each other to vary lens opacity—giving effortless transition between low and bright light.newatlas+1

• Each lens features mechanical gears or a free-spinning front piece for smooth, precise tint control, eliminating battery needs and ensuring durability.wuzzos+1

Applications

• Perfect for driving, beach activities, fishing, travel, and everyday sun protection—the manual tint adjustment means the sunglasses always match current lighting, even during sudden changes.khalidalqoud+2

• Enjoy relaxation and style with protection customized for individual needs and conditions.wearfumbo+1