through Parallels on macOS shows "Device is disconnected" and same through VirtualBox, while iStick TC100W shows battery charging by USB-cable...... I don't understand the reason re-pluging does not help
If not done - Install VirtualBox Extension Pack (2 step process (from host and also within guest), google how to do it) - Enable USB Passthrough in VB - If above steps do not resolve your issue, Press reset while connecting device to computer