Logitech Z130 2-Piece 3.5mm Black Compact Computer Multimedia Speaker Set(Certified Refurbished) Certified Refurbished product is tested & certified by Logitech to work like-new. The product includes all original accessories, and is backed by a 90 Day warranty. 2-piece speaker set that produce Rich, clear sound 5-Watts RMS, Easy to setup, Built-in 3.5 mm headphone jack Busy LED indicator, 3.5 mm connector (4.5-foot cable length) Built-in volume control knob