Surprisingly Loud Sound - These compact USB-powered 2.0 speakers provide a great experience for music, movies, or calls. It also makes a great addition to point-of-sale (POS) systems, as its USB-powered, eliminating the need for an additional power cord. Easy-to-use, plug-and-play connection to PC, Mac or Chromebook with a single USB-C connection, or USB-A with the included adapter.