Timemorry 3-Level Touch Dimmable Eye-care LED Reading Desk Lamp/Light with USB Charging Port, White Touch control operation with 3 level of brightness to fine tune your illumination Soft and flicer-free light for reading,studing and working;Friendly on the eyes, cause less fatigue Energy Efficient LED lighting for home or office 180 Degree Up & Down Adjustment Of The Arm Built-in High-Power Battery For Emergency Needs