O9-TECH Super Durable and Folding Eye-protection LED Dimmable Working Table Lamp with 7-level Dimmable Touch Switch and a USB Port Available to Recharge Digital Devices-Silver 7-step touch dimming function by sliding touch. USB port, possible to recharge various digital devices. Automatically turns off the light off in one minute function. Tilting / Rotating LED Light Head , Flexible positioning possible for use in office, bedroom, school, and reading. Surface light source, no flicker, soft light , close to nature light , effectively protect your eyes.