The BeautyRest Sleep Tracker is a sleek black activity tracker designed for unisex adults who want to monitor their sleeping patterns. This wearable device is sealed and has a free intuitive app for easy use. It features smartphone compatibility, a heart rate monitor, and is ideal for those looking to improve their sleep quality. With the option to connect to Windows, iOS, and Android operating systems, this sleep tracker from Simmons Bedding Co is a convenient and stylish way to track your sleep activities.