Battery life 60 minutes USB connectivity technology USB hardware interface About this item 【Adjustable 3 Colors】Cold Light Combination with Warm Light Bead, 20 cold lights + 20 warm lights, so there are 3 lighting modes: normal light, cold light, warm light. When taking selfies, you can choose different lights according to the needs of the scene to create a more colorful selfie effect. 【Brightness adjustable from 1% to 100%】Long press the “power on / stop” to achieve continuous dimming, change the brightness from 1% to 100%. Better to use than ordinary round lights with only 3 brightness levels! You can adjust the brightness of the light as you like. It creates a uniform and soft light. The lampshade is made of soft and lightweight circular material and does not dazzle when looking directly. 【Rechargeable Battery + USB Cable】Built-in 200mA lithium polymer battery. Battery Life: 60 mins in single light mode, 30 mins in dual light mode (brightest mode test). Say goodbye to AAA