Dealpeak Flexible Bendable Gooseneck Battery Operated USB Dual Heads LED Clip Reading Lamp 1. Two heads design, provide you more flexibility and convenience(Ideal for reading of two). 2. Powered by 3 x AAA battery(Battery cannot be recharged)or USB charging (Battery & USB cable NOT INCLUDED) 3.LED light source without unstable strobe, soft and gentle light is friendly to your eyes. 4.Flexible gooesneck design, any ideal angle available.No ultraviolet ray and high frequency radiation, beneficial to use. 5.Can be clamped on the edge of desk, bookshelf, keyboard, etc.