Crazy Genie Music Stand Light Book Reading Lamp with 4 Brightness Settings, Clip On or Free Standing, AAA Battery Powered , AC Adaptor - Cordless and Portable 3 POWER OPTIONS: Longest 6 foot USB cable included! Power your music stand light by AAA batteries (Not Included), USB, or electrical outlet, depending on where you are. The most travel friendly light available Four Extra-Bright, Energy-Efficient LEDs - Last up to 100,000 Hours MULTI-USE, CLIP ON STYLE OR FREE STANDING - Great for Music Stands, Pianos, Orchestra Pits, Reading, Work Tables, Mixing Tables, DJ's, Craft Tables and Much More... - Easily Bends to Compact Position for Storage - Extra Strong Clip Grips Almost Anything or Use it Free Standing This dual-head music stand light is perfect for musicians who perform in dimly lit venues. Four brightness settings and flexible stems let you position the light for best viewing without disturbing others nearby. GREAT STAYING POWER: The light's clip features durable silicone padding to provide better grip and surface protection than other clamp lights. Plus, its sturdy gooseneck stems have been reinforced to ensure they stay right where you put them.