MAXOAK Dimmable Desk Lamp Kids Eye Care LED Table Lamp (Adjustable Gooseneck,touch Sensitive Control,lithium-ion Battery, USB Charging) for Home,office,bedroom,reading,studying,working -White 1)Flexible goose neck can be 360 degree freedom rotation adjusted at your will. 2)long press the touch area to adjust the LED brightness,descending or ascending. 3)Energy-saving LED bulbs and built in long life lithium battery cell 4)Power supply: Built-in rechargeable battery, can also use 5V adapter 5)Automatic memory- Light intensity setting retention. The last setting is retained. Brand: Maxoak Dimension: 5.5IN(base dia) X 3.4IN(head dia) X 17.3IN(height) Color: white Rotation:360 degrees up and down adjustment. Brightness range: 2-200 LUX(30cm distance) Working time: more than 5 hours if fully charged Bulb life:50000 hours(10+ years under normal use) Power source: built-in lithium battery and 5v USB adapter Battery capacity:700 mAh Charging Input: 5v/1.2 A power: 2w 1 Pcs LED lamp 1PcsUSB power cable 1Pcsuser manual(English)