Specifications:

• Interchangeable Lens Design: 4 interchangeable lenses with magnification factor of 1.5X, 2.5X, 3.5X, 5X. The lenses are made of acrylic resin, the surface hardness of the lenses reaches 5H grade, which is more wear-resistant and durable.
• Adjustable Brightness Levels: There are two brightness levels that provide excellent light for illuminating detailed surfaces. Two brightness levels are available by pressing the switch on the glasses holder.
• Efficient rechargeable batteries: It can be charged in 1 hour to fill the battery. Simply plug the USB cable into the head magnifier and the other end into the slot of a USB power source (such as a USB wall charger, cell phone charger or power band, not included) and it charges automatically . Save money and energy while enjoying long-lasting bright light. You will never have to buy batteries again.
• Comfortable and easy to use: With ergonomic glasses holder, it is comfortable to wear, it is better to fix the magnifying glass in front of your eyes. The headband can prevent falls effectively, making it easier to work for a long time.
• Versatile Use: View your work pieces or text enlarged up to 500% of the original size with high clarity. Hands-free magnifying glass perfect for reading, painting, watch repair, arts and crafts.

Rechargeable Head Magnifier, Lens Magnifier with 2 LED Lights and Detachable Lenses 1.5X, 2.5X, 3.5X, 5X, Best Magnifiers for Reading