Battery Operated Table lampTekstap LED table lamp has a built-in 4400mAh battery, can be used for about 16 hours when fully charged. The usb cable is included in the package of the desk lamp, even if you lost or forget to bring the adapter, you can charge the light through a computer, laptop or power bank. Cordless Lamp]The cordless table lamp rechargeable is not bound by wires, and it is very convenient to move. You can take the cordless lamps battery operated anywhere, indoor or outdoor. The unique shape of this table light won't take up much space, perfect for bedroom, study room, office, game table, living room, dining room, bar, cafe, dining room, hotel room, camping, etc. Stepless Dimmable & 3 Color ModesTouch control bedside table lamps are easy to use. You can touch the top of the table lamps to adjust the color temperature and brightness of the light. Long press to stepless dimming(100%-10%), short press 3 color modes(2800K-4500K). Morden Minimalist Design The whole body of cordless lamp for living room is made of high-quality aluminum alloy, with a matte texture coating process and a very design-like shape. Cordless lamp for living room is not only very practical but also can be used as an ornament to fill your home with a stylish and modern atmosphere. Eye ProtectionLED black desk lamp has built in high quality 20 LEDs and a soft version. When the bedside table lamp for bedrooms is working, there is no glare and flickering, which can protect our eyes well. If you meet any problems during using, pls contact us without hesitation. Our customers service team will respond in 24 hrs.