• High Quality Interchangeable Lenses： YOCTOSUN Magnifying Glasses comes with 4 detachable lenses, which are made of acrylic resin, the surface hardness of the lenses reaches 5H grade, more wear-resistant, high definition, durable and not easy to deteriorate after long-term storage. Meet your different needs for close works. Focal length: 333mm/13.11inch（1.5X）, 200mm/7.87inch（2.5X）, 142mm/5.59inch（3.5X）, 100mm/3.93inch (5X).
• Three LED Lights with Adjustable Brightness Levels：There are two brightness levels which provide excellent light for illuminating detailed surfaces. Two levels of brightness is available by pressing the switch on the eyeglasses bracket. Press the switch the first time to turn on low light, press again to switch to high light, press the third time to turn off the lights.
• Efficient Rechargeable Batteries: This magnifying glasses with light is equipped with a rechargeable built-in lithium battery and comes with a USB Type-C cable, simply plug the cord into the magnifier and the other end into the slot of a USB power source(such as a USB wall charger, a cell phone charger or a power bank, not included) and it automatically charges. Save money and energy while enjoying long lasting bright light. You will never need to buy batteries again!
• Comfortable Wear And Easy To Use: Newly-designed eyeglass frame and wholly rubber wrapped nose bridge which can greatly lighten the load on the bridge of your nose. The rubber head strap can effectively prevent falling, it can fit different-sized heads, and won't put too much pressure on your temples and head.
• Easy to Replace: Headband magnifier is designed with the lens slot, which the different magnification lens can be quickly replaced. Just use your two fingers to hold the lens and then insert into the slot easily to complete the installation. and the lens will be firmly stuck in the slot and not easy to fall off.
• Versatile Usage: See your work pieces or text magnified up to 500% original size with high clarity. Perfect Hands Free Magnifying Glass for cross stitch, reading, painting, observing, modeling, repairing, sewing, soldering, jewelry making, and other hobbies.