Features: Mini LED Ring Light: 3.5inch mini ring light, features 3 lighting modes(warm light/mixed light/cold light), and each lighting mode supports 10 levels of adjustable brightness. 5V USB Powered: USB power supply, can be powered by computer, power bank, or power adapter easily; The cable controller enables you to power on/off, switch lighting modes and adjust brightness levels conveniently. With Phone Holder Webcam Mount: 5.5cm-8.5cm adjustable phone holder fits most smartphones on the market, compatible with iPhone, Huawei, Samsung smartphones and so on; and with a mount adapter, you can use webcam with this LED ring light for online video. Flexible Arms Strong Clamp: Flexible arm design, you can adjust the usage angle of ring light and smartphone freely; the strong metal clamp enables you to fix the bracket to desk steadily. Wide Applications: Not only suitable for selfies, but also can be used for live streaming, video recording, online singing chatting, book reading, or even use it as a keyboard light.