Hola! Professional Lights HL-003, Rechargeable Portable Orchestra / Music Stand / Reading LED Light, 2 Brightness level, 10 LED's Our most advanced light for the professional orchestra player! Designed especially for lighting sheet music stands, but it's also free to stand on any flat surface. 10 durable LEDs illuminates at 2 brightness levels. Built-in rechargeable battery for maximum portability. Can be charged via any USB port (USB cable included) or Mobile charger with mini USB port. Hola! Music guarantees quality and affordability. Hola! - Say Hello to Music!