Features:<br />mini ring light, features 3 lighting modes(warm light/mixed light/cold light), and each lighting mode supports 10 levels of adjustable brightness.<Br />5v usb power supply design, the ring light can be conveniently powered by pc/ laptop/ power bank/ power adapter (not included) and light up all day, no need extra battery.<Br />flexible arm design, you can adjust the usage angle of ring light freely; the strong metal clamp enables you to fix the bracket to desk steadily.<Br />very suitable for live streaming, video recording, online singing &amp; chatting, book reading, or even can use it as a keyboard light.<Br />3.5 Inch mini size, made of high-quality abs &#43; metal material, lightweight and portable, and won&#39;t take up much space of your desktop.<Br/>specifications:<br />power supply: 5v usb<br />lighting mode: warm light, mixed light, cold light<br />brightness: 10 levels<br />external diameter: 9cm/ 3.5In<br />internal diameter: 5cm/ 2in<br />cable length: about 1.3 Meters<br/>package list:<br />1 * led ring light