This means that the speaker emits light while producing sound, creating a visually appealing and immersive listening experience.The Computer Desktop Luminous Sound Laptop Desktop Computer Mobile Phone Universal Speaker is powered by USB, making it easy to use and convenient for on-the-go.You can it into any USB port, including your laptop or mobile phone, and enjoy sound wherever you go.This ensures that you get the best possible audio quality from your speakers.Its compact size and lightweight make it for travel or use in small spaces.Multi-Color desktop speaker 2.0-Size: 67*79*98mm- RMS: 3W*2(THD1%)- Drive unit: 2 inch*2- Power input: 5V=1A- 1.2m with cable volume controlPackage list:1 pairs * Computer audio(Excluding other exhibits)Notes:1. Due to measurement, please allow an error of 1-3 cm.2. Due to different computer screens and monitors, the actual color may be slightly different from the picture.Thank you for your understanding!Connect everything on your device and let the party begin.