Interchangeable Lens Design: Switch between 5 optical lenses using a simple click and release system. Magnification power of the head magnifier: 0.75X, 1.25X, 2.0X, 3.0X, 4.0X. A 0.75x magnification power is a 75% increase in the magnified object's size. The lenses are made of acrylic resin, the surface hardness of the lenses reaches 5H grade, which is more wear-resistant and durable. The lens provide you with field of view. Three LED Lights with Adjustable Brightness Levels: Three LED lights with two brightness levels which provide excellent light for illuminating detailed surfaces. Two levels of brightness are available by tapping the button on the side. 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 And Easy To Use: Newly-designed eyeglass frame and wholly rubber wrapped nose bridge which can greatly lighten the load on of the nose. The rubber head strap can effectively prevent falling, thus it is easier to work for a long time. Multifunctional Magnifying Glasses: Perfect Magnifying Glasses for reading, painting, sewing, close work, arts and crafts. It is also a big help for seniors. Power supply :USB charging, 602030 rechargeable battery, 300mAh, battery indicator light Lighting source:3 LED white lights (two levels of brightness adjustment) Note:Due to different production batches, there may be slight differences in products,which do not affect use. Colour: parent Material:ABS+acrylic Size:folded 155x62x45mm, unfolded 170x165x52mm Package Contents: 1 * Magnifier 5 * lenses 1 * Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.