Train smarter with built-in heart rate monitoring, and track your daily activity and sleep, right from your wrist. Stay fully connected on the move with all of your notifications – texts, emails, social media and more, and voice texting** from your wrist. Outdoor adventures are better with real-time data displayed on your wrist from your favorite phone based companion apps. Pebble 2 HR is durable, water resistant to 30m, and lasts up to 7 days on a single charge so you can go where you please.