Adjustable magnifier: rotate the dial to adjust the prescription and magnification according to your exact requirements. See clearly with convenient eyewear. Variable range: the diopter range of each lens is -6.0 to +3.2, allowing precise control over magnification. This eliminates the need for multiple prescription lenses. Use these glasses for various daily activities such as driving, reading, watching TV, and using a computer—now one pair suffices for multiple tasks. High-performance design: features a durable, contemporary frame style suitable for both men and women. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!