Ecco USB-D 2.0 2-Piece USB Powered Speakers (Black) Ecco USB-D 2.0 2-Piece USB Powered Speakers General Features: Black speakers USB interface Built-in super efficient Class-D digital amplifier Enhances depth of bass and background music, and crisp clarity to the highs High performance aluminum bullet full-range drivers and Neomanic Microfoil for stunning audio clarit Small footprint and space saving design helps keep your desktop clutter-free