New Design Clip-On Rechargeable Music Stand LED LightFeature:Clip-On Music Stand LED LightFlexible gooseneck allows for precise light adjustment;Padded clip provides stable attachment to music stand;Two brightness level easily controled by power switch;It can be powered by 3 x AA Batteries Or AC AdapterOr any Instruments With USB Inserts.(Just insert the USB Power cord in the USB Inserts.)Size:1. Led Light Size: 8.3" Length * 1.4" Wdith (21CM * 3.5CM)2.Clip Size: 4" Length 2.4" Width(10CM * 6CM)3.Gooseneck Length: 28CM(11")It"s pretty convenient for you to use under most circumstances!Package Includes:-1 x Music Stand LED Light-1 x USB Port AC adapter-1 x USB Charge Cable