Get essential activity tracking and on-demand heart rate with the Striiv Bio Lite . Take heart rate measurements as needed and track steps, distance, calories, and active time. Wear it when you go to bed to automatically monitor your sleep. Receive smartwatch alerts for caller ID, texts, calendar events, and notifications from your favorite apps. Start and stick to your habits with our on-wrist lifestyle journaling. Quickly log diet, weight, hydration, and more directly on the Bio Lites touchscreen. If you forget, set journal reminders in the app to remind you when its time to log..