Eye Protection & Eco FriendlyWith 7W 48pcs quality bright LEDs, the clamp light can cover a larger area with soft and comfortable lighting, no flickering, no ghosting, no dizzy, no shadow, protect your eyesight and reduce eye strain even for long time reading. Environmentally friendly LED desk lamps consume 80% less electricity and have long service life as well as good lighting effect.3 Color Modes & 10 Brightness LevelThis LED clip light has 3 color temperature modes: Warm Light (3000-3500K), Nature Light (4000-4500K) and White Light (6000-6500K). Each lighting mode has 10 dimmer levels of brightness, 30 modes options in total to meet all your lighting needs.Flexible Gooseneck & Sturdy ClampThe 15.75 flexible gooseneck made of high-grade aluminum can be adjusted 360 degrees, allowing you to easily twist the angle to any position. And the stable clip (Max width:2") with antiskid and anti-scratch foam pad can be firmly placed wherever you want, like side table, book, bookshelf, etc.USB Charging & Easy to Use Just plug and play with USB interface to easily get power from adapter, computer, power bank,or any other usb ports. A control switch for ON/OFF, Brightness adjustment and 3 colors on the usb cord is more convenient to use. The usb cable is 56.69 inches, enough length for you to use this book lamp anytime and anywhere.