3 Lighting Modes and 10 Brightness Levels: The LED clamp light featured with 3 color temperaturewarm 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