Computer mouse – familiar to many, and is undoubtedly one of the most comfortable controllers. However , this device has disadvantages, for example, the need to work on a flat surface. In laptops its may replace the touchpad, trackpoint, but there are many other options. One of most compact can be called a device ThumbTrack, formed in the shape of a ring for a finger. This new product is positioned as the smallest computer mouse in the world and weighs only 14 grams, and its term continuous operation up to 15 hours. Thanks to the external surface of the sensor and and touch the same buttons, ThumbTrack has full functionality of the touchpad , and in some cases may be even more convenient. Buy unusual controller one can closer to the end of the year.