Desk Night Lamp Whit Pen Case The product is shipped based on the color or size of the main image of the product page. 1. The lamp can adjust the brightness of the lighting in any state to suit the user's pictures in different situations. 2. Insert the USB end of the USB power cable into the USB output port on the computer and insert the other end into the DC5V input port on the luminaire to supply power to the luminaire, while charging the internal rechargeable lithium battery the charge indicator light is on. on and the full charge indicator light is off. 3. When using the lamp fan, quickly press the fan key * to turn it on and press the * key to turn it off. 4. When using the table lamp, press the button briefly to turn it on and the brightness of the LED light can be adjusted. The brightness can be adjusted from large to small or from small to large. 5. In the shutdown process, when the light is low, charge it immediately to prevent damage to the battery. Material quality: ABS ten PS rated input 5V-1A rated power 5W 200 km luminous flux color rendering index.> 80LED light: 16PCS * 0.2WLED module