Feature:1. Built-in LED lamp beads provide soft and smooth light with 3 color lighting modes (3000-6000k) of warm light, cool white light and white light with 10 levels of brightness adjustment.2. Videoconference light with classic round design, distributes light evenly on the face, no glare and shadow, soft and non-blinding light.3. Easy to install and remove for daily use without causing any damage to your screen.4. Suitable for a variety of ultra-thin, old-fashioned, desktop computer screen. 360 degree rotation, small size, light weight, easy to carry and store.5. Video ring light with USB interface, can be powered by USB charger, laptop, PC, power bank, power adapter, etc.6. Suitable for any occasion, it is a great lighting tool for video conference, zoom phone, live broadcast, self broadcast, video chat.Specification:Features:Built-in LED lamp beads provide soft and smooth light with 3 color lighting modes (3000-6000k) of warm light, cool white light and white light with 10 levels of brightness adjustment.Videoconference light with classic round design, distributes light evenly on the face, no glare and shadow, soft and non-blinding light.Easy to install and remove for daily use without causing any damage to your screen.Suitable for a variety of ultra-thin, old-fashioned, desktop computer screen.360 degree rotation, small size, light weight, easy to carry and store.Video ring light with USB interface, can be powered by USB charger, laptop, PC, power bank, power adapter, etc.Suitable for any occasion, it is a great lighting tool for video conference, zoom phone, live broadcast, self broadcast, video chat.Specifications:Color: blackMaterial: plasticPower port: USBVoltage input: DC 5VMaximum current: 1.3APower: 6.5WColor temperature: 3000-6000KPackage size: 17 * 16.5 * 3.5cm Package weight: 267gInstruction step:1.Align the position of the screws,then tighten the screws.2.Screw the outside knob until tightened.3.Then use a screw to squeeze the screw onto your laptop.4.The led ring light can be powered by PC\laptop\Wall Charge\Power bank.Package List:1 * Ring Light1 * Instruction ManualPackage List:1 * Ring Light1 * Instruction Manual