Strong Clamping: The clip light adopts a strong clamping device, which can be firmly fixed on any flat , and it is not easy to loosen, so you can use it with confidence. Usb Interface Rechargeable Desk Lamp: Equipped with a universal USB charging cable, when lighting this small desk lamp, it can be through a USB adapter, charger, desktop computer, laptop computer, saving waiting time. Battery Operated Desk Lamp: Built in 1100mAh lithium battery, no need to be plugged in for use, cordless to take with you, especially when sockets are limited and power outages please pay attention to charging when not in use for a long time to pres And Flexible Research Light: The gooseneck light has 360° flexibility, allowing you to light where you need it. It also folds into a small lamp so it doesn't take up too much space when traveling. 9 Led Lights For Eye Protection: Bright LED light, energy saving, no flicker, no dark area, eyes from fatigue. Top button switch, 4 color temperature, 3 brightness