Meet the Nix Hydration Biosensor: a smartphone connected sweat analyzer that measures sweat rate, electrolyte loss rate, and sweat composition as you exercise and shows users personalized hydration data. This gadget comes with a reusable pod that lasts up to 36 hours on battery. It also has a sweat patch with kinesiology tape to stick to your skin comfortably.
The Nix Hydration Biosensor is compatible with iOS devices. It also works with Apple Watch and Garmin sport watches. According to company, platforms such as Strava, Wahoo, TrainingPeaks, Zwift, Suunto, and Coros will be supported in the future.