iKross Blue LED Hi-Fidelity 2.1 Satellite Speaker Sound System with Subwoofer 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. Compatible with many popular PC, laptops, and ultrabooks from Apple, ASUS, Acer, Lenovo, HP, MSI, Samsung, Sony, Toshiba, & more 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.