3 Colour Light Sources&Touch Dimming Our cordless touch sensor table lamp has three light sources: white light, neutral light and warm light, which allows you to easily change the brightness by lightly pressing the lamp. Long Battery Duration Time 13 Hours Built-in 1800mah high-capacity lithium battery, it takes about 3.5h to fully charge our desk lamp, and can be used for 13 hours after fully charged. This cordless table lamp has a USB interface that can also charge mobile phones. Eye Care This LED table lamps are made of high-quality electroplating process, non-slip and drop resistant, high-end luxury. With a frosted shade and a long lamp head, it cast a broader span of soft light without glare. Energy Saving LED Lamp No Heat Up. Reduce the electricity bill by 75% and do not overheat like other traditional lights. Keep your workspace cool and comfortable. Create a Sense of Atmosphere The stylish look of this bedside lamp enhances the beauty of your home. Due to manual measurement, there is a tolerance for the size of the product.