-Color Temperature and Brightness Adjustment Switch Built-in Bi-color LEDs from 2800K to 9900K and dimmable brightness ranges from 1%-100% . Constant current drive, low power loss, low heat output, more than 50000hrs service life.-You can djust it flexibly and easily to present the desired shooting environment accurately and restore the most realistic images.- HighColor Rendering LED ring light brings out the most natural skin.  -Compatible with most of all cameras on the market. - Use LED ring light for the best output with the selfie bluetooth control- It can help you take beautiful pictures, even in places where the power is inconvenient.- You can also USB charge your phone on this ring light while shooting video or do live streaming.