Management: 4 Computers * USB Interface: USB 1.1 Specifications Compliant * KVM Cable: 4 Sets of 1.2M (4ft) KVM Cables ; 4 Sets of Audio/MIC Cables * - KVM: To KVM: 1 x VGA/SVGA HDB 15-pin; To PC: 1 x USB (Type A), 1 X VGA/SVGA HDB 15-pin * Cable Interface (All Male) The 4-Port USB KVM Switch with Audio lets you manage 4 computers with just one set of keyboard, monitor, mouse, and a set of speakers/Microphone. The device comes with 4 sets of USB KVM and Audio cables, no additional equipment required. Its compact size makes it ideal for home and business environment. The Trendnet 4-Port USB KVM Switch Kit with Audio lets you manage four computers with just one set of keyboard, monitor, mouse, and a set of speakers/microphone. Its compact size makes it very portable and ideal for home and business use. Video resolution of up to 2048x1536 is supported for super high video quality. The switch features auto-scan and LED display for PC monitoring. Port selection is done either by pushing a button, or hot key commands (Windows only). The kit includes four sets of VGA and four sets of audio and microphone cables so there is no additional equipment required. The Trendnet 4-Port USB KVM Switch Kit with Audio supports PCs, Macs, and Linux. It is backed by a 2-year warranty. What's in the Box TK-409K KVM switch, multi-language user’s guide, utility CD-ROM, four sets of USB KVM cables, and four sets of KVM and audio cables.