Usage Tips:[Adjustable Brightness Magnifier] The magnifying glass is equipped with 50 built-in ultra-bright LEDs, illuminating the area more evenly and reducing eye fatigue caused by uneven or insufficient light. You can also easily adjust the brightness level using the dimmer switch to choose the ideal light without disturbing others with the light, even when reading at night. [360 flexible gooseneck ] You can bend it in any direction without constant adjustment. [Hands-free/manual] Removable desktop magnifier, you can connect/disconnect the magnifier from the stand at any time. You can place your phone at any angle to magnify the screen. [Optical quality clear lens] The viewing area of the magnifying glass is 24 x 17 cm, you can view an area larger without moving the magnifying glass repeatedly. They are made from optical grade lenses that are lighter and more durable than glass while providing the same clarity. Lens material: high quality acrylic + silicone + metal. Effectively reduce eye fatigue Anti-glare design, ideal for people who need to work at close distance all the time or to compensate for the aging of the eyes. Helps reduce eye fatigue and work throughout the day. Warm reminder: This product is for charging. A data cable is provided but no data cable plug is provided. Note: The data are all measured manually, please allow 1-3cm error due to light difference and display, there may be some color difference, please refer to the actual item received.