3 Lighting Modes & 10 Brightness Levels This desk lamp has three lighting modes. Warm white is suitable for relaxation and sleeping, daylight mode is suitable for reading and learning, and cool white is suitable for working. At the same time, you can adjust different levels of brightness according to your needs (10 levels: 10%-100%). Meet your different needs. Eye ProtectionThe LED reading light head is covered with a milky white diffuser to provide even light output, no glare, no flicker, no of glare. Even if you stay in the study light for a long time, it will not strain your eyes and protect our eyes from harm. Intimate FunctionMemory function, the process light will will remember the brightness and mode used last time, no need to repeat settings. The USB cable has a blue light that allows you to quickly find the switch in the dark. If you press and hold the switch button for 2 seconds until the blue light flashes, the learning light will automatically turn off after one minute, making it easier to get back to bed under the light. Friendly DesignMade of high quality aluminum alloy (non-cheap plastic) to ensure better heat dissipation, sturdy metal clamps with scratch-resistant protective layer can be used with tables , table headers, etc. Based on your demand, the flexible gooseneck design can be deformed into a variety of shapes and angles. Energy Saving & Usb PoweredLED table lamp use about 75% less energy than traditional incandescent, save money and lower your electricity bills. The lamp came with a 1.5m USB powered cable, and can be powered by any USB device such as USB power bank or laptop, very convenient. Welcome Contact us anytime if there is any problem with our product. Why you choose LED clip desk lamp? 1.You can choose 3 different color temperature modes and 10 adjustable brightness levels. Suitable for working, studying or reading, relaxing. 2.Eye protection. Soft, comfortable and non-flickering design, lighting is friendly to your eyes. 3.Memory function and auto-off function is very thoughtful and intimate. 4.The clamp with non-slip pad firmly grips any surface, and won't scratch surfaces. You can clip the lamp in many places and adjust the light to perfect angles. 5.The table lamp is more economical than traditional incandescent lamps, USB powered, easy to carry. Requirements Power: 7W Body material: ABS plastic and aluminum alloy LED color: warm white, natural white, cool white USB charging port: 5V/1.0A Product size: 9 9 37.5cm Cable length: 1.5 M Note 1.The clamp is very sturdy, so it is not suitable for clipping on soft furniture like sofa and upholstered headboard. 2.Welcome to contact us anytime if there is any problem with our product. Package included 1 Desk lamp with USB cable 1 Manual Adapter not included