Note: Using with laptops or power banks may consume too much power. And the USB port of most tablets does not generate enough power, so please DO NOT use it with your tablets;This lamp is designed to work with a wall socket, so it is recommended to use it with a wall socket which is NOT included in the package. Please purchase separately. MULTI-FUNCTIONALITY: The small LED light panel (14 x 9.5 cm) is adjustable 180 degrees; Its brightness can be adjusted between 10% and 100%. 66pcs energy saving bulbs can provide even lighting you need in different circumstances. Designed with a convenient USB outlet, you can plug it into your desktop computer, portable power supply, charging outlet or USB outlet at any time OPTIONAL EFFECTS: Comes with 4 color filters (white, red, yellow and blue) to provide softer and more colorful lighting. You can change the light color through the 4 filters (Note: color filters should be used with white diffuser. Please insert the white diffuser first and place
