iKross 2.1 Blue LED Satellite Speaker Stereo Sound System w/Subwoofer for HP Ultrabook ChromeBook Laptop: Pavilion Chromebook 14, Spectre 13 14, Split x2, 13; Pavilion Touchsmart 11 x360 Two Powerful Full-Range Neodymium Drivers Deliver Stunning Hi Fi Clarity and Dynamic Bass. Total Power: Speaker 8W + Subwoofer 9W = 17W RMS and 34W Peak Power Distinctive Blue LED Display Simply Connect iKross Sound System with iPhone or Smartphone by 3.5mm Audio Output Jack. Package Content: 2 Speakers, 1 Subwoofer, 3.5mm Cable, Power Cord and Manual.