Lite USB Rechargeable Folding 16 LED White Light Desk Lamp, White No Glare Task Lamps For College, Executive, Office, Bankers Ultra bright USB white 16-LED light, Dimensions: 5 in x 1.2 in x 1.8 in (14.0 cm x 3 cm x 4 cm) Safety power source with DC5V, power saving Portable & convenient, can be powered by any USB port Protects your eyes when playing computer, reading book in the dark A nice, low-cost and functional desk lamp to meet your basic lighting needs, It folds to a handy compact size that easily fits into a pocket or purse. It can be also powered by 4 x AAA batteries (not included)