1.LED*3, USB, DC:5V 2.Flexible tube 3.Adjustable illumination angle 4.Gift for friend, GF, BF, ... tubeAdjustable illumination angleBlister card packaging SpecificationsLed usb lamp-HOT 1.Flexible, Adjustable goose neck 2.For book reading, night reading 3 ... .For laptop, computer4.. Materials: LED*3, metal flexible tube7. Volt:DC 5V5.. Current: 150mA6.. Unit weight: 7.7kg7 ...