Feature:1. 4 LED LIGHTS WITH ADJUSTABLE BRIGHTNESS: There are two brightness levels which provide excellent light for illuminating detailed surfaces. Two levels of brightness are available by pressing the switch on the top of the headset magnifier2. INTERCHANGEABLE LENS DESIGN: Switch between 5 optical lenses using a simple click and release system. Magnification power of the head magnifier is 1.0X, 1.5X, 2.0X, 2.5X, 3.5X. Scratch resistant acrylic material reduce weight. All lens come in a sturdy storage box to keep them organized and protected3. USB CHARGING DESIGN: This magnifying glasses with light is equipped with a rechargeable built in lithium battery and come 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) and automatically charges. Save money and energy while enjoying long lasting bright light. You will never need to buy batteries again4. COMFORTABLE AND EASY TO USE: Eyeglass frame and wholly rubber wrapped nose bridge can greatly lighten the load on bridge of the nose. Alternate between wearing as glasses or headband. The included head strap can be attached with ease to ensure a more secure fit5. ADJUSTABLE LED MAGNIFYING GLASSES: The light mount on the magnifying glasses can be adjusted to change the angle of light to suit the task at hand. The lens angle and lens distance is also adjustableSpecification:Item Type: Rechargeable Headband MagnifierMaterial: ABS, acrylic lensBattery Type: 1 x Rechargeable lithium battery 602030Battery Capacity: 300mAhProduct Light: 4 LED pure white light(2 levels of adjustable brightness)Product Magnification: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X.Package List:1 x Rechargeable Headband Magnifier5 x Lenses1 x Lens Storage Box1 x Cleaning Cloth1 x USB Cable1 x Headband Strap1 x User Manual