Smart Color Changing & Blue Light Blocking: Experience all-day comfort with smart photochromic lenses that automatically adjust to light conditions—clear indoors, dark outdoors. These lenses also block harmful blue light from digital screens, reducing eye strain. Ideal for daily use, these Frameless Smart Zoom Reading Glasses for Men & Women protect your eyes while keeping vision crisp in any environment Advanced Smart Zoom & Auto Focus Technology: Enjoy seamless vision with upgraded smart zoom technology that auto-adjusts focus from near to far. Whether you're reading a book or looking across the room, these glasses adapt in just 3 seconds. Covering +1.00 to +7.00 diopters, these smart zoom glasses for men provide instant clarity without the need for multiple pairs Ultra-Clear HD Vision & High Transmittance: Our high-definition lenses offer excellent light transmittance for crystal-clear, distortion-free vision. This clarity helps reduce eye fatigue caused by squinting. Perfect for detailed work or leisure, these auto focus glasses for women let you capture every detail with precision and comfort Size: Lens width: 62-64mm, Lens Height: 35 mm, Bridge: 17 mm, Temple: 142mm, Total width: 142 mm, Weight: 20.50g. Blue Light Blocking: Reflect and absorb blue light, prevent the visible blue light, cut 85% blue light. Transparent Lens: The blue light blocking lens is made of 1.60 refractive index aspherical resin, it is clear and transparent, which helps reading experience.