Product Description: The item is an all-in-one universal digital wrist watch, which is not only a LED wrist watch with adjustable soft rubber band to display time and calendar, but also can be used to measure heart rate and count calorie. Besides, it has an alarm clock and hourly chime functions, and also can act as a stopwatch for use. With portable multifunctional design and easy to use, it is really a wonderful digital wrist watch especially suitable for outdoor use.