Timex is an American watch brand with a history of more than 150 years. It is not only loved by many celebrities, but also worn by many dignitaries, such as Obama, George Bush, Clinton, Gore, etc., and is known as "TIMEX that is always chosen by the president". Timex surpassed NIKE and LEVI'S to become the top vote of the American public in the landmark industry magazine FAIRCHILD, and has a high level of support. Timex's heartrate monitor product line is far less comprehensive than the above brands, with only 3 products and comprehensive integration of basic functions. The disadvantage is that it is large in size and inaccurate in star search, but it still has an incomparable cost performance.