Product description Enjoy clear eyes and reduce glare with bifocal photochromic reading sunglasses designed for reading, biking, and other outdoor activities. Product Details: Invisible bifocal reading glasses HD clarity anti-glare lenses Photochromic gray lenses Lightweight, comfortable frame Gender neutral (men and women) Order Includes: Yein eyeglasses Soft cleaning cloth Glasses case Silicone ear hooks Small screwdriver   Attention: When wearing glasses, please hold the temples with both hands When not in use with lens cloth, the lens up and placed in a special bag, beware of the lens and the frame is scratched by hard objects. Frames or lenses contaminated with dust, sweat, grease, cosmetics, etc. Please use a mild detergent warm water, then dry with a soft cloth. Prohibit prolonged exposure to water, soaked in water and placed in a fixed place by the sun exposure; prohibit the prolonged exposure to current, metal edge.