3 Adjustable Colors & 5 Dimmable Brightness: This clip light offers 3 lighting modes (warm light, natural light and white light). Each lighting mode has 5 brightness levels (20%, 40 %, 60%, 80%, 100%).The flexible lamp meets your different lighting requirements.Strong Clamp & Flexible Gooseneck: The clamp sticks to sponge pads that protect your furniture from scratches. The bedside lamp of the bed is adjustable in free angle. You can rotate and bend the led lamp arm 360 to your desired angles.Upgraded Switch and Long USB Cable: Humanized switches and simple function keys, USB port design is very convenient. The 150cm long USB cable allows the LED lamp to easily reach your desk, headboard and other places (no adapter). Attention: This usb lamp cannot be charged!Memory function and auto-off: The desk lamp automatically remembers the brightness and color modes of the last use when you don't turn off the power. No need to reset the reading lamp when you turn on the reading light again. By pressing the power button for 2-3 seconds, the blue light on the power button will flash. Then the kids led reading light will automatically turn off after 1 minute.Eye Care: No worry about flickering, glare, ultraviolet rays or frequent radiation, protect your eyes. Ideal to have a flexible usb led for your children.