These are Radio Shack, 2.1 Multimedia 3 Piece Speakers, 10 Watts. They work with either Macs or PC's. 

Ideal for enhancing games, music, and videos, this three-piece speaker system delivers rich, full stereo sound and deep bass from your desktop or laptop computer. Features black cabinets to complement your decor!

Older model, but still in brand new condition!

Donated by Deb Slechta.