USB Rechargeable Book Light for Reading in Bed LED Clip on Book Reading Lights

The LED lens can be swiveled 90¡ãcounter-clockwise and clockwise, and 45¡ãdownward; 350¡ãflexible holder bends . No additional cables or batteries needed, directly plug it into a computer, power bank, adapter, car charger, or USB outlet for recharging. About 40 hours for fully charging and will last about 6 hours(at lowest setting).small and lightweight, ideal for clipping on a book when nighttime reading; portable for reading on airplane, train, or backseat of car when travelling. 4.1" L x 1.8" W x 0.51" H