Features 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. 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. 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 Focal Length: Approx. 35-500mm/1.4-19.7in (please refer to the user manual for each multiple focal 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 polymer lithium battery, capacity 300mAh (built in) 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