ATEN 2-port USB HD audio-video KVM switch. Control two HDMI-enabled Pcs or devices - YouTube
ATEN 4-Port USB 3.0 4K HDMI KVMP Switch with Audio Mixer CS1824
IOGEAR - GCS1314TAA4C - 4-Port Single View HDMI Secure KVM Switch w/CAC and Audio
Amazon.com: ATEN 2-Port USB 4K HDMI Cable KVM Switch with Remote Port Selector CS22H (up to 4096 x 2160 @ 60Hz, HDCP 2.2) for Windows, Mac, Linux - One KVM Console Controls
ATEN KA7188 USB HDMI Virtual Media KVM Adapter Cable - KVM / audio / USB extender - HDMI - KA7188 - KVM Cables - CDW.com
Amazon.com: ATEN 2-Port USB 4K HDMI Cable KVM Switch with Remote Port Selector CS22H (up to 4096 x 2160 @ 60Hz, HDCP 2.2) for Windows, Mac, Linux - One KVM Console Controls
ATEN 8-Port USB HDMI KVM Switch CS1798 B&H Photo Video