Designed for workouts that are at least 45 minutes long, the Nix Hydration Biosensor lightweight hydration monitor keeps you going. In fact, it actually quantifies when, what, and how much to drink. Whether you drink water or electrolytes, it analyzes your sweat throughout your whole workout. In fact, the rechargeable pod clips onto a single-use sweat patch before you start your workout. There, it reads and transmits data to the Nix app. Easily integrate it with your smartphone or smartwatch, enjoying real-time personal hydration data. Moreover, you’ll get intelligent hydration information so you can improve your athletic performance, safety, and well-being. Finally, this lightweight and durable hydration monitor has an impressive battery life that can last up to 36 hours.