USB powered speaker connection to PC, Mac or Chromebook with a single USB-C cable that also includes an attached USB-A adapter for connection to older devices; plug in and play, no installation needed; no battery included ^^ Patent pending speaker conveniently attaches to the bottom of your monitor with accessible volume and speaker mute controls as well LED light controls; add energy and atmosphere to your workspace or gaming setup; visually translate sound into light with colorful LEDs that sync to your music ^^ Create a personalized atmosphere with your choice of static or music-reactive lighting, and select from nine color modes: green, blue, red, purple, yellow, light blue, continuous color shifting, rainbow, or off; great for casual gamers who want to add a vibrant pop to their gaming setup ^^ Small compact speaker produces loud crisp sound for music, videos, or, games; speaker bar lifts and projects the sound forward for a better stereo experience, USB C Power Boost available when connected via USB C; note that USB C mode must also be selected on the speaker bar for Power Boost ^^ Includes patent pending Cyber Acoustics CA-2890GX USB Speaker, USB-C to USB-A adapter, user guide, and one year warranty