DEVICE INTERFACE: 1 x VGA /SVGA HDB 15-pin (Female); 2 x USB ports (Keyboard / Mouse); 1 x 3.5mm speaker jack; 1 x 3.5mm microphone jack NDAA COMPLIANT: With our NDAA compliant KVM Switch, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only) COMPUTER INTERFACE: (Up to 4) 1 x USB 2.0 Type A; 1 x VGA /SVGA HDB 15-pin (Female); 1 x 3.5mm speaker jack; 1 x 3.5mm microphone jack CONTROL UP TO 4 COMPUTERS: The 4-Port USB KVM Switch allows you to control up to four computers with one set of console controls KVM CABLES INCLUDED: Separate sets (4) of KVM cables are included with the KVM Switch, so users can start controlling four workstations instantly. 2 sets: 1.2m (4 ft.) and 2 sets: 1.8m (6 ft.) USB POWER: The KVM cables also provide USB power to the 4 Port KVM Switch with a max consumption of 0.7W, eliminating the need for a power adapter HIGH QUALITY VGA RESOLUTION: The VGA KVM Switch is designed for VGA systems with resolutions up to 2048 x 1536 @ 60Hz. MULTI TASK: Listen to music or share a microphone from one computer while working on another AUDIO SUPPORT: Experience full audio support through the 3.5mm microphone and speaker jacks SWITCHING CONTROL: Front panel push buttons, keyboard hot key commands, and Auto-Scan interval: 10 ~ 60 secs for computer monitoring.