Venu 2 Plus reviews your stress, heart rate, sleep and activity level to gauge your body?s energy levels. You most likely experience stress at some point in your day, but how much and when? Keep an eye on it with your Venu 2 Plus smartwatch. Venu 2 Plus samples your heart rate multiple times per second and lets you know if it stays too high or too low when you?re resting. Get a score for the quality of your sleep and tips on how you can do better.