Description Type: 4K KVM HDMI 4 Ports Awitch without Cables Color: Black Overview: 4Port HDMI USB2.0 KVM Switch with audio Support 4K Resolution SingleUSB console control 4 HDMI interface computer and two additional USB device; 2ports USB hub 2.0 built in; fully compliant USB 2.0 specification; HDMI video resolution in Max: 4K@30fp4K @30HZ (3840*2610@30HZ); HDMI digital monitor support -fully compliant with HDMI; also HDCP compliant Dolby True HD and DTS HD Master Audio support Multiplatform support; USB extension port in front of device which isconvenience for keyboard mouse flash and printer peripheral devices connection; Provide multi-types of hotkeys setting and choosingfunction convenience for users to set hotkey freely; Auto-scan functions;