[9 settings & 28m LED] 3 color temperatures (3000K to 6500K) and 3 brightness settings (low, medium, high), ``'' to change the color temperature, ``M'' to control the brightness. The touch control, easy to use. use, meets the various lighting needs of daily life. SINJIAlight reading lamp is equipped with 28 upgraded LEDs to provide high brightness. more uniform than normal LED. [Eye protection function] natural light will simulate diffused reflection, reduce multiple shadows, have clear, flicker-free and glare-free vision. There is no blue LED light to avoid damaging your eyes, and the soft light allows you to read in bed without disturbing your partner [High capacity; and rechargeable] Reading lamp with Built-in 1800mAh USB rechargeable lithium battery, providing up to 28 hours of continuous illumination (low brightness setting). Quick charging interface, only needs 3 hours, you can read at any time. anytime, anywhere, eliminating the need for wired connection hassles 360°Tighten with the edge of any furniture cushion without scratching its sturdy clip. The flexible neck allows you to bend and twist the exact position, and the lamp can be easily adjusted. clamp gives you plenty of light, where whatever you are.