Features: *1. These glasses allow you to adjust the focus zoom. *2. Control the focus instantly, adjusting the power and magnification in each eye independently. *3. Simply turn the dial to adjust the lens. *4. Lightweight design. *5. Easy to use. *6. Comfortable to wear. *7. Durable in use. *8. Use for reading and distance vision. *9. Perfect for computer use, reading, watching TV, driving day or night, keeping on your desk, at the workbench, or using as spare glasses. Specification: Brand new Material: AP frame + PC lenses Color: Black frame Lenses Diopter range: -6.0 to +3.0 diopters Frame measurement: as shown in the picture Centering distance: 63 mm Package included: 1 * Adjustable strength lenses reading glasses 1 * Storage bag 1 * English user manual Precautions: 1. All pictures have been professionally corrected, but due to different ambient light and different display device settings, there may be some deviations in the pictures and objects you see, please understand. 2. The data is measured manually, there may be some deviations, but it does not affect the use.