... USD cable,3AAA batery Eno different led quantity easy folding clip led music stand light Specification:1. LED Music Stand Light with dual Tubes, ... Power or 3AAA battery4. Mount on any surface by clip music stand, Desk, computer, book5. easy folding, ultra-compact ... full range of lighting needs. 9 led light 2 led light 4 led light Eno different led quantity easy folding clip led music stand light