Book Light 9 LED Reading Light with 3 Color Temperature 3 Brightness Easy Clip On Reading Lamp for Desk Bed and Computers

Features:
White + Warm Lighting - There are 3 color temperatures: white (6000-6500K), warm (3000-3200K), or combined (white + warm 4500-500K). Also 3 brightness settings can be controlled for each color mode.
USB Connection - You can use three No.7 AAA dry batteries to provide power for the reading light; With USB interface,you can also let the book light shine by connecting it with power supply. (Battery and cable are not included.)
Enough Lighting Area - The book light has 5 white LEDs and 4 warm LEDs for illuminating enough area when you are reading or working.
Wide Adjustable Angle - Flexible neck design and rubbery pad clip allow you to clip onto music stands, pianos, books, desks, headboards, crafting tables and computers. It can also stand directly on the base.
Lightweight and Portable - Lightweight and elastic design take up not too much space,you can put it in your backpack when traveling or going out.