3 Lighting Modes and 10 Brightness Levels: The LED clamp light featured with 3 color temperature：warm white light (3000K), natural light (4500K) and cool white light (6500K). Each lighting mode has 10 brightness dimming levels. Totally 30 illumination modes to meet all your requirements. Clip on bedside or headboard and reading in bed, comfortable light brings you comfortable life! | 360° Flexible Gooseneck and Long USB Cord and a reliable UL Listed AC Adapter: Sturdy flexible gooseneck allows you to adjust your clip light with ease and to direct the light wherever you want. Easy to plug the USB cable into any available USB port (laptop/desktop/power bank/USB adapter) to power the lamp. An AC adapter is included, which is UL certified, much safer than some other adapters, be at ease! | Memory Function and 1 Minute Auto-off Timer and Timing function: Once turn the button on, the desk light resumes your last used brightness and color temperature settings. Press the on/off button for 3 seconds, the blue light flashes and the lamp automatically turns off after 1 minute. Double-click the on/off button, the red indicator light will light up, and the lamp will automatically turn off after half an hour. | Best Lighting Quality and Professional Eye Care: BOHON eye-caring reading light made of excellent 38 LED chips offer non-ghosting and non-flickering light, the book light won't make eyes fatigued even staying in the light for a long time. Designed to help those who read and work hours a day to protect eyesight and reduce eye strain. | USB Powered and Energy LED Desk Lamp: USB powered is easy to fit any available USB port to power the lamp. As an eco-friendly LED light, it consumes 80% less power than traditional incandescent lights so you can reduce your carbon footprint while also reducing your electricity bill. 5V, 2A ADAPTER INCLUDED.