[Material description] Linen fabric (lampshade) + LED light (no bulb) with base (metal) + USB button line (non-detachable) [Product size] S: 15cm (lampshade diameter) x27.5cm/5.9x10.8in Line length 1.3m M: 20 (lampshade diameter) x30cm/7.9*11.8in [Product description] The table lamp includes a free-installation lampshade, no bulb needs to be installed, an LED lamp integrated with a stable base, a button switch for connecting, so you can turn the light on or off, a USB interface line, plug and play, and a stylish and simple design make it a perfect choice for a bedroom or table lamp in any room of your home. Three-color light adjustment, 10 levels of brightness adjustment, protect you, your children and your family's eyes from eye fatigue or vision damage. The lampshade is available in two sizes, and the base is the same for both models. [Applicable scenarios] It can be used in bedrooms, guest rooms, living rooms, study rooms, boys and girls' rooms, offices, desks, etc. [Instructions] 1. The lamp holder and lampshade are installed in reverse when you receive the product. You need to separate the lamp holder and lampshade first. 2. Press the center buckle down to separate the lamp holder and lampshade. 3. Turn the lampshade in the right direction, press the center buckle and install it into the ring to complete the installation. 4. Connect the USB to the power supply and the button switch control。