-Touch Dimmable, when you need to change the light color or brightness, you need to hold the middle position of the desk lamp, tap the top, press briefly to change the color, and long press to adjust the brightens -Portable Cordless Table Lamp, Metal LED Night Light is battery powered – Equipped with 1800 mAh rechargeable battery -Up to 48 hours of use on a full charge (can also be used while charging) -You can also disconnect and carry a battery operated table lamp for added security as needed -You can place rechargeable table lamp anywhere. -Minimalist modern style the design of this novel cordless table lamp rechargeable is stylish and low-key -The table lights is made of rust-proof metal -This cordless table lamps not only maintains the perfect appearance of the building, but also achieves an economical and durable decoration fusion -USB Rechargeable table lamp (with a USB power cord), can be connected to any USB port (like laptop, computer, mobile power, wall outlet or power panel) through the connection cable) to charge the rechargeable lamp Package Weight: 411g Package Dimensions: 13cm x 13cm x 21cm