The Misfit Flash Fitness & Sleep Monitor is a versatile activity tracker designed for both fitness and sleep monitoring. Its waterproof feature allows for continuous tracking regardless of the elements, and its innovative technology eliminates the need for charging. Perfect for unisex adults who enjoy running and jogging, this sleek black device is worn on the wrist and provides accurate step and sleep tracking. Made in China, this one-size tracker by Misfit is a convenient and reliable tool for improving your overall health and well-being.