Features 3 LED LAMP: Designed with 3 rechargeable LED lamps, which can adjust the direction to obtain more accurate lighting angle, support the continuous work of soft light for 5 hours and strong light for 2.5 hours. COMFORTABLE WEAR: The inner side of the headband is soft sponge, the adjusting wheel can be adjusted to perfectly match the head of various sizes, making the headband magnifier comfortable to wear. ACRYLIC LENS: The magnifying glass is designed with shatterproof transparent acrylic lens, with high definition and portability, which will not make the head feel heavy. 23 KINDS MAGNIFICATION: We provide you with 5 replaceable lenses (1.0X, 1.5X, 2.0X, 2.5X, 3.5X) and small circular auxiliary lenses (8X). You can combine to obtain 23 different magnifications. DIFFERENT USES: The head mount magnifying glass can be used for reading, painting, observing, modeling, repairing, sewing, welding, jewelry making and other crafts, free your hands. Specification: Item Type: Headband Magnifier Material: ABS, Acrylic Optical Lens Model: MG82000MC Magnification: 1X, 1.5X, 2X, 2.5X, 3.5X, 8X (31 kinds, 23 kinds without repetition) Lens Focals Length: Approx. 35-500mm/1.4-19.7in (please refer to the user manual for each multiple focals length) Power Supply Model: USB charging type (support soft light for 5 hours and strong light for 2.5 hours) Lighting Source: 3 LED lights (white) Battery: 1 x 602030 polymers lithium battery, capacity 300mAh (built in) Feature: 1. 3 LED lights are located at the front of the headband to ensure uniform lighting in a large area, the lighting angle can be freely adjusted. 2. The brightness of LED lamp can be switched between strong light and soft light to meet different lighting requirements, thus protecting visions. 3. The independent adjustment switch at the back of the headband can easily adjust the tightness of the headband and fix it. The headband is made of environment friendly mat  erials, which is comfortable to wear, convenient for sweating and prolonging the use time. 4. Large size headband angle adjustment wheel, can adjust the angle when wearing. The anti skid design makes adjustment easier. 5. It adopts a separate lens design. If only one lens is used (when the focals length becomes longer, the magnification becomes smaller), the other lens can be folded up. Package List: 1 x Headband Magnifier 5 x Lens 1 x Lens Storage Box 1 x Wipe Cloth 1 x USB Cable 1 x User Manual Package List 1 x Headband Magnifier 5 x Lens 1 x Lens Storage Box 1 x Wipe Cloth 1 x USB Cable 1 x User Manual