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, po-wer 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.

Specifications:
Power Supply: 5V USB
Lighting Mode: warm light, mixed light, cold light
Brightness: 10 levels
External Diameter: 9cm/ 3.5in
Internal Diameter: 5cm/ 2in
Cable Length: about 1.3 meters  
Phone Holder Width: 5.5cm-8.5cm/ 2.2in-3.3in
Clamp Width: Max. 8cm/ 3.1in
Item Weight: 450g/ 15.9oz
Package Size: 19 * 15.5 * 8cm/ 7.5 * 6.1 * 3.1in
Package Weight: 584g/ 20.6oz

Note:
The smartphone and webcam showed in the pictures are not included.

Packing List:
1 * LED Ring Light
1 * Phone Holder
1 * Mount Adapter