Keep track of your sleep patterns and heart rate with the Simmons BeautyRest Sleep Tracker STS-20. This smart bed monitor is compatible with Android systems and can be synced with your smartphone for easy access to your sleep data. It is designed to fit any size bed and comes in a sleek black color.

With features such as sleep tracking and a heart rate monitor, this device is perfect for those who want to improve their sleep quality. It is also great for athletes and fitness enthusiasts who want to monitor their sleep patterns and heart rate while they sleep. The Simmons BeautyRest Sleep Tracker STS-20 is a must-have for anyone who wants to optimize their sleep and overall performance.