Feature: 1. FLEXIBLE AND PORTABLE: Metal hose lamp pole, the support can be flexibly deformed, the lamp shade 180° parallel expansion folding head is easier to store and carry, and the expandable lighting head can provide a larger lighting area for reading 2. 3 BRIGHTNESS ADJUSTABLE: Music stand lights with 3 brightness modes. Whether you like warm or white light, bright or soft, piano light can meet your satisfaction, which is bright enough for playing, reading, sewing and craft, or dim enough to not disturb the others. Customize your light pattern by choosing different color and different brightness 3. LIGHTWEIGHT AND CLIP ON DESIGN: Clip on music stand, piano, desk tightly. The clip can be opened wide enough to be fixed in various objects. The patented design of the non slip rubber strip can make the clip more stable, which can also protect the piano being scratched or pinched. Can also stand on your table or desk 4. POWER SUPPLY: Folding music stand light support two power supply methods: battery(not included) and USB, get rid of the trouble of traditional wires. USB cable can connect the computer host, charging bank, mobile power supply, more convenient to use 5. WIDE APPLICATION: Piano lamp quietly and nicely shine your music sheet and the audience focus enjoying your music without being bothered by bright light. Great for rehearsals, concerts, art Specification: Item Type: Music Stand Light Material: ABS, metal hose, rubber LED Beads: 28Pcs Power Supply: DC 5V USB power or 3 x 1.5V AA alkaline batteries(not included). Package List: 1 x Music Stand Light 1 x USB Power Cable