Check the listing for details. Extra Wide Clip-On Music Stand Orchestra Light- 18 LED Rechargeable USB. Color: Black, Condition: New. Listed at 32.95 USD. COOL + WARM LIGHTING- There are 3 color temperatures: cool white (6000K), warm (3000K), or combined (cool + warm 4500K). Also control 2 brightness settings for each color mode. RECHARGEABLE- Large capacity 2000mAh battery lasts up to 20 hours on a single charge (on low setting) or 10 hours (on high setting). Includes long 6.5-foot micro USB cable and wall plug for charging or power source. You can keep it plugged in all the time if desired. WIDE LIGHTING AREA- 18-LED light head spans 11 inches wide, can illuminate up to 4 pages of music. FLEXIBLE gooseneck and strong padded clip allows you to clip onto music stands, pianos, books, desks, headboards, and crafting tables. Can also sit freestanding on the base. LIGHTWEIGHT / PORTABLE- Weighs only 8 ounces, includes handy carrying bag for traveling.