General description The 6 Pieces Music Stand Light Clip on LED Book Lights are designed for versatile use, featuring dual arms that provide 360-degree adjustability. Made from quality metal alloy, these lights offer high flexibility and hardness, allowing you to position them at any angle for optimal lighting. They are perfect for reading in bed, music stands, piano performances, and various crafting activities. Technical specifications Color: Black Material: ABS + Metal Power Supply: AAA batteries or USB cable Battery Requirement: 3 AAA batteries (not included) Measurement allowed error: +/- 1-3 cm Compatibility and accessories Suitable for music stands, book reading, piano performance, orchestra, and crafting activities. Usage Adjustable clips can grip objects of varying thicknesses. Switch options include: one light on, both lights on, two lights on a single arm, and all lights on both arms. Automatically cuts off battery power when plugged into a DC jack. Other information Light