Ustellar Rechargeable 8 LED Book Light, 5-Level Brightness, Portable and Flexible Music Stand Light, Eye Caring Reading Lamp with Clip On, Travel Light with AC Adaptor and USB Cable Included PORTABLE: Its built-in rechargeable lithium battery means it can go where you go. FULLY ADJUSTABLE: 8 lights and 5 Levels of Brightness. 2 Flexible Arms Can Moved the Way You Want it. CLIP ON STYLE: Clip it to Almost Everything. A Silicone Pad Protects the Gripped Surface Against Damage NO FLICKER: The Optical Grade Lens Provides Evenly Distributed Light with No Hotspots. MULTI-USE: Great for Music Stands, Pianos, Orchestra Pits, Reading, Work Tables, Mixing Tables, DJ's, Craft Tables and Much More.