Intelligent touch dimmer: LED desk lamp has touch-sensitive and 20 pieces energy-saving LED. No need to connect the socket to turn on the light and adjust the brightness. When you need light, a touch to turn on the light. 360 adjustable and flexible: The desk lamp's arm is 360 degrees adjustable. You can easily set it at a specific desired angle. Also you can take it with you at home/office/university, at work or while traveling and reading, without taking up space. Universal USB charging cableThe desk lamp equipped with a USB, so you can use a USB adapter, power bank, desktop, or laptop to charge this little desk lamp while illuminating it. The length of the cable is 90 cm. Eye-protection lamp: Three light intensity settings for eye comfort. It can protect your eyes from strain, ideal for reading, working or studying. The light of desk lamp no produce glare, flicker or radiation. Built-in 1200mAh lithium battery: The desk lamp only needs to be charged for 2-3 hours and it will work for 3-9 hours. The battery is built in and does not need to be removed. It will durable to light up your living room, bedroom, office or study.