Adjustable Brightness & Color: The switch of the LED clip lights on cord has 2 buttons, One has 3 options: Warm light, White light and off. The other has 2 options to adjust brightness: bright and dim. Meet all your light needs in different occasions and versatile for bedroom reading, office working, kids studying, etc. | Flexible & Durable: 40cm flexible gooseneck, which makes you easy to twist and set perfect lighting direction and angle. Made of top aluminium, which has good heat dissipation and durable for twist. | Sturdy Clip with Foam Pad: The width max of clamp is 2.3inch/6cm, it is strong and won't be wobbling when you need to adjust the light. The clip with foam pad is able to protect your furniture from scratch. As clip lamp, you can clip on bed headboard, computer, desk, piano, etc. | USB Powered: Coming with 59inch USB cable, which is convenient and easy for you to connect computer, AC adapter or power bank (AC adapter NOT INCLUDED). Note: This light not powered by electric wall plug. | GLORIOUS-LITE LED Clip on Light Warranty: We offer 12-month warranty for every customer. If you have any questions or concerns, please feel free to contact us, we are here to help!