Lightess Clip On Music Stand Lights 14 LED Book Lights Adjustable Piano Lamp Portable USB Desk Lamp 2 Pack

2 Bright Levels -3 Power Sources(AC + USB + Battery) Feature: Style: Clip-On Music Stand LED Light - 14 bright LED with 10 million hours life time; - Two brightness level easily controled by power switch; Can be Powered By: - 3 x AA Batteries (Not Include) Or - AC Adapter (110-240V) Or - USB (like AC+USB or Laptop USB Port) It's pretty convenient for you to use under most circumstances! Package Includes: -2 x Music Stand LED Light -1 x USB Port AC adapter -1 x USB Charge Cable