EASY TO USE: There are four buttons on the cord to power on/off,switch the lighting mode,and adjust brightness levels making it easy and convenient to operate.Desktop ring light can be powered by USB, easily powered from computer, power bank, mobile phone charger,easy to use,ideal companion for your work.We provide a one-year warranty,if you have any problems with your small ring light,you can contact us at any time.If you are not satisfied,you can get a full refund within 30 days!. ?Use with phone clip?When the tripod is used with a phone clip,it becomes a phone stand or selfie stick.Clip width of 2.4-3.8inch,suitable for most cell phone,can be used for selfie,live broadcast,video conference,zoom call. ?Use with tripod?The ring light tripod can be adjusted freely between 5-20 inch.You can place the desk ring light next to your computer or on any smooth desktop,can also be placed behind the monitor,because it has enough height to let the light shine on you.Video conference lighting has 360 ° adjustable accessories,it can rotate freely and adjust to the best angle.It can be used as a photography lighting,makeup light,reading light,desk lamp to meet your lighting needs. ?Use with screen clip?The clip is small and lightweight and has three silicone pads,can be firmly clamped on the laptop and will not scratch the screen.The clip opening is 0.7 inch, suitable for most laptops,can also be clamped on ipad and cell phone,as video light,selfie light,monitor light,streaming lights. ?Dimmable Ring Light?Mini ring light only 6.3 inch(16cm),it provides 3 color modes and 10 levels of brightness adjustment,so you can adjust the right lighting according to the color of your skin,environment and mood.The arc lampshade makes the light more uniform, soft and comfortable,smooth the shadow,help you show the best in front of the camera status.