Product description Input voltage: DC 5V / 500mA Battery capacity: 1000mAh Brightness mode: 3 brightness settings Color temperature: 6000K-6500K Color: gold, silver, black Material: aluminum alloy Dimension: 200 * 70 * 10mm Package include: 1 foldable desk lamp 1 USB charging cable 1 plastic hook with 3M sticky pad 1 user manual 1. Eye Care Pocket Size: Comfortable lights without ghosting can avoid eye fatigue. Made from sleek, slim, anodized aluminum alloy, which is as small as the iPhone 6s Plus when folded and easily carried. 2. Simple control: The adjustable lamp arm allows you to direct the light where you need it. With the supplied 3M Sticky Pad, it can be hung anywhere as a wall lamp. 3. Energy efficient: Press the on / off button to adjust the light between 3 dimmer levels. Consumes only 3 watts, but produces 150 lumens of light. Made from long-lasting LED bulbs that will last for thousands of hours. 4. USB charging: The built-in rechargeable battery and the USB connection made the lamp wireless and portable. Conveniently charged via a micro USB charging port from the DC adapter or even the power bank. It takes up to 4 hours after a full charge. 5. Design made of high quality aluminum Environmentally friendly design without tungsten, mercury and other toxic metals. Even children can use the lamp as it is safe