[3 colors and 9 adjustable brightness] 3 useful color temperature modes: yellow (3000K), warm white (4000K) and cool white (6000K). Each light head has an independent switch to adjust 3 levels of brightness. You can choose a comfortable environment for reading, knitting, camping or repairing, etc. according to your preferences. It is also a perfect gift for children and the elderly. [Type-C Rechargeable] The USB Type-C rechargeable reading light is reversible and easy to plug in compared to other micro USBs. It comes with a 1000mAh rechargeable battery that provides up to 30 hours of wireless playtime with just 2 hours of quick charging, and the light changes from red to green when fully charged. [3 switches and indicator lights] There are 2 independent switches on the left and on the right. The triangular button at the top is the main switch. Long press the switch to turn on/off, short press to adjust the color temperature. The light in the middle of the triangular button is white
