I get the other end on facetime saying they hear a echo 2010 mac mini OS X 10.11.2 8GB ram 500GB Hybrid Seagate drive (8GB NAND FLASH) C920 Logitech plugged straight into usb 2.0 port Sharp 40” LED tv The facetime video I see is choppy the other end says they hear themselves again (echo) this software just blows Can’t seem to find a web cam that works with the mac mini oh, and it’s on 1Gbs ethernet connection to 1Gbs SWITCH to 1Gbs port on router to 75+Mbps cable broadband so this application just blows