Specification:Features:Adopts premium LED, no flicker, nonradiative, friendly to eyes. The light shell and neck uses good quality metal and PBT flame retardant materials, to use. The neck is flexible to be bent in angle and shape to meet your need. Easy to use, just plug it to any devices with USB port, also supports ac power supply(5V). Suitable for home, school, office, etc, good for night studying, reading, etc.Specification:Material: MetalLamp Color: Silver; BlackLight Color: Pure White; Warm White Voltage: 5V Power: 1WWeight: Approx. 90gOptions: Silver+Pure White; Silver+Warm White; Black+Pure White; Black+Warm WhitePackage Included:1 x UBS LED Light