4 Port USB KVM Switch with Audio (Speaker & Mic). 35 Inch USB Cable Audio Cable and Switch Remote. 1 Set of VGA Monitor & USB Keyboard/Mouse to Control up to 4 PC/Laptop with Audio Enabled One console (monitor, USB keyboard and USB mouse) controls 4 computers Multiplatform support: compatible with all operation platforms PC ( Windows, linux and most others), Mac and Sun Compact design, built in all-in-one cables