Main scope of application: live broadcast light supplement, lighting, selfie, photography Voltage: 5V Light source power: 10W Light source type: LED Color temperature: RGB Dimmable or not: Yes Adjustable color: Yes Adjustable brightness: Yes Battery type: USB plug power supply The heart-shaped ring lamp has 32 RGB color modes, white light, warm white light, warm light, and you can change them freely. 3200-5600K two-color temperature and 10 level adjustable brightness. The flexible gooseneck hose provides more angles --- the long gooseneck arm round lamp and mobile phone bracket can be bent into any shape, which is strong enough to adjust the angle you like. Place the phone horizontally or vertically. Free your hands for live broadcast, live broadcast, selfie, zoom meeting, video chat, etc. Extensive compatibility&USB power supply --- Mobile phone holder is suitable for almost all smartphones. Hold the phone firmly without scratching. It is powered by USB ports, such as laptops, PCs, mobile power supplies, USB chargers, etc.