✔Touch Switch with 3 Levels Of Adjustable Brightness---Low setting is ideal as a night light using without disturbing your bedmate; while high setting is suitable for reading or studying | ✔Built In 1000mAh Rechargeable Battery with USB Interface Design (No charger)--- raniaco book lamp can be powered by USB charger, plug and play, notebook PC USB, Mobile phone adapter, Car usb and etc | ✔Easy To Use With Clip Base Or Stand---The reading light comes with a clamp holder which can be opened at 2.36inch and placed on your desk or fixed at the edge when you want to read. It saves you space, protects your eyes and makes you create the feeling of trendiness | ✔360 Degrees Rotating Flexible Design With Adjustable Twisted Tube--The Super anti slip silicone pad coupled with its light body makes it sturdy when placed in a standing position | ✔With 12 LED Bulbs And Long Battery Life Of 24 Hours: The frosted lampshade design is unique. The Soft light is ideal for your eyes as it does not flicker or produce negative radiation