Portable Mini Brightness LED Table Lamp with Flexible Neck USB Plug and Battery 2 Power Supply Ways LED Desk Reading Lamp,White Light Quality led light source,soft/no flickering/no radiation,green light for eyes and 50000 houres long lifttime. 14 pcs Leds,brightness but energy saving.With flexible body,360 degree turns direction lighting for needed. Easy to use with push button.2 workable ways for power source: usb corded-electric and battery-powered. The lamp include a 100cm/39inch USB Plug wire.Mini size and lightweight good for you to carry it out in bag. We will do our best to solve your problem ASAP if there is any defective or dissatisfied product.Any questions about our lamps please feel free to ask us.