The smart bracelet uses GPS technology, and devices that use the GPS system are likely to be the tools you're tracking. With the development of science and technology, GPS technology has been widely used in various fields of life. With the improvement of people's living standard, we pay more attention to the life of fitness and health. So all kinds of mobile intelligent device developed by major manufacturers, including intelligent hand ring, smart watch is the typical representative, using GPS technology, the position can be accurate positioning, could also become criminals to track your tools. GPS tracking is common in modern life, to get rid of the track, nearly all people with such a tool to prevent and get rid of, that is here sell pocket GPS jammer
, it can block the GPS signal, to confuse your location, allowing you to safety.