<p> Bright Clip-On Orchestra Music Stand LED Light -2 Bright Levels; -3 Power Sources</p> <p>Feature: * Style: Clip-On Music Stand LED Light * Nine bright LED with 10 million hours life time; * Flexible gooseneck allows for precise light adjustment; * Padded clip provides stable attachment to music stand; * Two brightness level easily controled by power switch;</p> <p>it can be Powered By: * 3 x AA Batteries Or * AC Adapter Or * Any Instruments With USB Inserts. (Just insert the USB Power cord in the USB Inserts.)</p> <p>It's pretty convenient for you to use under most circumstances! Size: * LED Light Size: 8.3&quot; Length * 1.4&quot; Wdith (21CM * 3.5CM) * Clip Size: 4&quot; Length 2.4&quot; Width(10CM * 6CM) * Gooseneck Length: 28CM(11&quot;)</p> <p>Package Includes: * 1 x Music Stand LED Light * 1 x USB Port AC adapter * 1 x USB Charge Cable * 1 x Carrying Case </p>