Features:
STEPLESS DIMMABLE: long press the button to adjust the brightness that is customized for you.
USB PORT DESIGN: it's powered by USB charger, USB power bank or laptop, so it is convenient when you want to use it.
EYE-PROTECTIVE: high quality LED bulbs, 500 lumens, flicker-free and anti-glare light without strobes and radiation, it can keep your eyes away from exhaustion.
CLAMP DESIGN AND FULLY-ADJUSTABLE: the clip range of adjustment screw clamp reach 6cm and strong bendy tub enables you to swivel the lamp flexibly and adjust the light position as you need.
DESK PROTECT: the rubber in the clamp helps to create friction with the desk, at the same time it prevents any damage from the desk surface.
APPLICATION AREA: 6cm clip range make it can be used perfectly with music stands, bookshelves, office tables, computer desks, headboards, bicycle heads etc.
PORTABLE AND ADJUSTABLE LIGHT: excellent for college and university students who needs small footprint lights for reading and studying or wants to bring it with yourself.

Specifications:
Light color: White
Brightness: Stepless dimming
Luminous flux: 500LM
LED quantity: 24 pcs
Input: DV 5V
Power: Max.5W
Color temperature: 5000K-5500K
Lifespan: 35, 000 hours
Cable length: 160.0cm / 5.2ft
Tube length: 25.0cm / 9.8in
Lamp length: 27.5cm / 10.8in
Clamp width: 6.0cm / 2.3in