1Adopts premium LED, no flicker, nonradiative, friendly to eyes 2The light shell and neck uses good quality metal and PBT flame retardant materials, safe to use 3The neck is flexible to be bent in angle and shape to meet your need 4Easy to use, just plug it to any devices with USB port, also supports ac power supply(5V) 5Suitable for home, school, office, etc, good for night studying, reading, etc Features: Adopts premium LED, no flicker, nonradiative, friendly to eyes. The light shell and neck uses good quality metal and PBT flame retardant materials, safe 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: Metal Lamp Color: Silver; Black Light Color: Pure White; Warm White Voltage: 5V Power: 1W Weight: Approx. 90g Options: Silver+Pure White; Silver+Warm White; Black+Pure White; Black+Warm White Package Included: 1 x UBS LED Light