Features: Four Interchangeable Lenses: 1.5x, 2x, 2.5x, 3.5x. Different lenses can be replaced at will and can be easily removed. Lens can help you get bigger and wider images. Excellent material and fine workmanship. Two Brightness Levels: With 4 LED-lights. Provide sufficient brightness for the magnified-viewfinder. High quality finish light indicates where you are-looking and the lens moves, so you can see better and more clearly. very comfortable and light to use. Adjustable Belt Design: The elastic belt can replace the spectacle frame, and can effectively prevent falls and reduce the pressure on the nose bridge for long-time, thus reducing fatigue. Comfortable, Convenient and Adjustable: Perfect for any situation. You can adjust the distance between eyes- and lenses, lens angle and corner lighting. With high stability, good-light and easy to replace lens, very easy to use. Wide Range of Applications: It can be used for various maintenance, electronic maintenance, watch and telephone maintenance, cross-stitch, jewelry and watch making, as well as handling small items. Specifications: Material:ABS Multiplication:1.5X 2X 2.5X 3.5X Powered by:USB Charging Size:Approx.232x200x60mm/9.13x7.87x2.36inch Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Headband Magnifier