Feature:1. WIDE APPLICATION: Handheld magnifier, 20X magnification design, widely used for reading, newspapers, antique magnification and circuit testing, etc.2. WITH 21 LED LIGHTS: Including 14pcs cold light LED and 7pcs warm light LED, and has 3 levels adjustment, with soft light, comfortable eye protection.3. EXCELLENT LENS: Optical glass lens has high light transmittance, which has small dispersion coefficient, high imaging clarity in the field of view.4. SIMPLE CHARGING: The handheld magnifying glass has built in lithium battery, with USB rechargeable design, to avoid frequent battery replacement.5. ABS SHELL: The optical glass magnifier housing is made of ABS material, which has good toughness, wear resistance and long service life.Specification:Item Type: Magnifying GlassMaterial: ABS, Optical Glass LensLens Index: 20XLens Diameter: Approx. 85mm / 3.3in (subject to the real object)Including Lens Frame Diameter: Approx. 119mm / 4.7inLighting Source: 14 cold light LED, 7 warm light LED, 3 levels adjustment, touch switchPower Supply Type: USB ChargingBattery: 18650 lithium ion x 1 (with built in battery)Capacity: 1200mAhBattery Life: About 8 hoursIndicator Light: Charging (blue light), full (red light)Uses: Reading, newspapers, antiques, circuits.Package List:1 x Magnifying Glass1 x Lens Cloth1 x USB Cable1 x Chinese English User ManualNote:Manual measurement, there may be errors, the actual product shall prevail!