Features:28 LEDs， ultra bright， With the function of the switchPowered by a PC USB port or a phone power bank， needs no batteries and other external powerFlexible and adjustable metal neckSoft and warm white lightExtremely long service lifeLow power comsumptionModern silvery color， cute and decent designPluged into your PC USB port or phone power bank usb port， it starts to bring you brightness right nowLightweight， compact， space-saving， easy to carry and handleAn ideal companion for students， travellers， office workers， etcIdeal for lighting your laptop or reading in the darknessNOTE: power bank NOT includedSpecification:Type: LEDLight color: WhiteLED quantity: 28 piecesPowered by: USB portColor: Black (as shown in the pictures)Total Length(plug to top): 16.5"What is included:1 x 28 led usb lamp