Are their OS 10.9 drivers for the Logitech H600? I am not sure if it is the OS 10.5drivers I found or the rocking in my TreeFrog USB 10 port hub. Angus MacKinnon Written using a 27inch iMac************ You are subscribed to the mac4theblind mailing list. The url for this list, where one can unsubscribe or make any changes to their list subscription is: //www.freelists.org/list/mac4theblind The list archive is located at //www.freelists.org/archive/mac4theblind/ All emails intended for the list owner can be sent to: john@xxxxxxxxxxxxxxxxxx