Fashion Men's Reading Glasses, Rhinestone Detail Around Lens, Blue Light Blocking, Customizable Anti Glare Anti-fatigue Anti-scratch Anti-UV Specification: Product name: reading glasses Colour: Black Frame: frameless Reading frame material: pure titanium Reading glasses lens material: MR super tough resin Refractive index of lens: 0-1500 degrees Product Size: Frame width: 5.7cm / 2.2inch Frame height: 3.3cm/1.3inch Nose bridge distance: 1.8cm/0.7inch Overall frame width: 14.7cm / 5.8inch Arm length: 14.4m/5.5inch You 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 x Package contents: reading glasses + mirror case + mirror cloth + non-slip sleeve + screwdriver + nose pads It 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.