In order to add a USB activity counter, press the 'Add' button located on the main toolbar, selected the 'USB Activity' counters category in the left-side view, select an appropriate USB activity counter in the middle view and then select the required USB device to monitor in the right-side view. In addition, in order to monitor the USB activity in a remote computer via the network, press the 'Connect' button located in the bottom-left corner and specify the host name of the remote computer to monitor.

• USB Bulk Transfer Rate - this counter displays the USB bulk transfer rate for the selected USB device at the time of data collection, which is measured in Megabytes per second.
• USB Iso Transfer Rate - this counter displays the USB isochronous transfer rate for the selected USB device at the time of data collection, which is measured in Megabytes per second.
• USB Control Transfer Rate - this counter displays the USB control transfer rate for the selected USB device at the time of data collection, which is measured in Megabytes per second.
• USB Interrupt Transfer Rate - this counter displays the USB interrupt transfer rate for the selected USB device at the time of data collection, which is measured in Megabytes per second.