Features: USB PORT DESIGN: it's powered by USB charger, USB power bank or laptop, so it is convenient when you want to use it. BRIGHTNESS ADJUSTABLE 3 COLOR ILLUMINATION MODES: Adjustable brightness and 3 color (cool white, warm white, natural white) illumination modes meet your different requirement in various places. CLAMP DESIGN AND FULLY-ADJUSTABLE: 5.5cm clip range make it can be used and strong bendy tube enable you to swivel the lamp flexibly and adjust the light position as you need. EYE-PROTECTIVE: high quality LED beads, flicker-free and anti-glare light without strobes and radiation, it can keep your eyes away from exhaustion. APPLICATION AREA: It can be used perfectly with music stands, bookshelves, office tables, computer desks, headboards, etc. PORTABLE: Excellent for college and university students who need suitable lights for reading and studying or wants to bring it with you. THOUGHFUL DESIGN: Equipped with anti-slip cloth design makes you feel at ease without worrying falling down.