【3 Brightness Modes】Reading light with 7 LEDs/ 4 cool white LEDs/ 3 warm white LEDs, simply press the button at the top of the lamp to turn on, change 3 different light colors (Cool White Light, Warm Light and Mixed Light) and turn off. 【Eye Protection】Book light has natural and flicker-free light to protect your eyes from light damage. The 360° adjustable flexible gooseneck makes it and the soft light also allows you to read in bed at night without disturbing your friend. 【Rechargeable Battery with USB Cable】Built-in rechargeable lithium battery can last 4-8 hours of lighting time under full charge. The desk lamp comes with a USB cable for charging. And the charging indicator clearly shows the charging status to avoid overcharging. 【Flexible and Portable】Bedside lamp can be adjusted 10 cm length. The weight is 60g, it is very lightweight and has a mini size with a pouch for carrying when traveling. You can take it for traveling or camping. 【Wide Application】Thanks to the clamp, this