Fashion Men's Reading Glasses, Rhinestone Detail Around Lens, Blue Light Blocking, CustomizableAnti GlareAnti-fatigueAnti-scratchAnti-UVSpecification:Product name: reading glassesColour: BlackFrame: framelessReading frame material: pure titaniumReading glasses lens material: MR super tough resinRefractive index of lens: 0-1500 degreesProduct Size:Frame width: 5.7cm / 2.2inchFrame height: 3.3cm/1.3inchNose bridge distance: 1.8cm/0.7inchOverall frame width: 14.7cm / 5.8inchArm length: 14.4m/5.5inchYou can choose diopter: 0.0x , 0.5x , 0.75x , 1.0 x , 1.25 x , 1.5 x , 1.75 x , 2.0 x , 2.25x , 2.5 x , 2.75x , 3.0 x , 3.25x , 3.5 xPackage contents: reading glasses + mirror case + mirror cloth + non-slip sleeve + screwdriver + nose padsIt is recommended that you take a 5-minute break every 20-30 minutes each time you wear it. Look further away, or do eye exercises, and always take care of your eyes.Please Note: Reading glasses are used to aid vision. If you experience discomfort after wearing them, consult your doctor promptly to check for glaucoma, cataracts, or astigmatism.Product pictures are real photos, but due to the influence of shooting technology, light, display parameters and other factors, there will inevitably be slight color difference.