Mini USB LED Light - Willful 12 Bright USB LED Reading Lamp with On Off Switch Flexible Gooseneck Cosmetic Mirror for Laptop Keyboard Computer PC Blue Provides natural, non-flickering light for stress free productivity and enjoyment Flexible goose-neck design allows the user to adjust the lamp to various heights and positions With a piece of cosmetic mirror in the back,provide convenience for girls or women Powered by USB port with easy on/off switch Max length:18.5 inch,lamp diamater:2 inch