Using the latest USB interface technology, can be connected to a laptop or desktop. Like our other system, CBS-USB has all the features of normal TCD but it’s portable. When you are finishing one day’s clinical diagnosis it can be packed into a laptop bag, and the computer can be used as a regular office computer thus increasing your efficiency. CBS-USB has three different kinds of models. They are CBS-USB L (correspond to CBS-900), CBS-USB B (correspond to CBS-II Basic) and CBS-USB D (correspond to CBS-II×2P)