the ring supplement lamp is suitable for selfie and live video streaming etc. it has the functions of fill light, beauty face, beauty eye, brightness skin, etc. it can also adjust for three colour temperature and according to your favorite to adjust various shade, and is equipped with a variety of heights and angles in use with frame which is a beauty piece. multi-functions: 2-in-1 design combines the phone holder and selfie ring light together, it is a professional tool for creating live videos/recording with smartphone or computer. perfect extra light for make-up, live streaming, lay flat, selfie photos, filming, video recording, online teaching, vlogging etc. 3 colors mode: white light, soft light, warm light. adjustable flexible holder: 360 degree rotating holder, feel free to adjust any angle as you wish, for reading, reviewing, taking pictures or shooting videos. adjustable flexible holder: 360 degree rotating holder, feel free to adjust any angle as you wish, for reading, reviewing, taking pictures or shooting videos. usb powered: works with most devices that support usb port, like laptop, pc, power bank, usb charger, ac adapter, and etc. easy control on cord to power on/off or switch to the lighting mode you prefer.