e-joy Clip On 4 LED Book Light Music Stand Light AAA Battery Rechargeable Reading Lamp Adjustable 2 Heads LED Lights Table Lamp 4 premium LEDS & 4 different brightness modes, the LED bulbs are controlled by two adjustable arms, no flicker Charge your new light with the USB charge cable, the sturdy clip can hold your hard cover book Powered by 3 x AAA batteries (not included) or USB charging Choose the intensity of your two LEDS by pushing the button once or twice, giving you exactly the amount of light coverage you need Lightweight, folds into an easy-to-carry accessory making travelling with this light so convenient