Keep track of your health with the IW1 Smart Watch. All-day heart rate monitoring pairs with your Letsfit app to track trends in your activity levels. Set up reminders for everyday tasks with the easy alarm clocks. Built-in musical controls allow you to swap songs during your workout in a snap. And with an IP68 water-resistant design your fitness tracker will be able to stand up to sweat and rain.² Long battery life. The IW1 can be used for up to 7 days between charges.1 And with the built-in power-saving mode you can hold a charge for up to 30 days of standby time.¹ Go further with the app. Get easy access to all your data with the Letsfit app. Check your fitness metrics sleep analysis and more right from your phone. Track your health. Keep track of all your activity and health stats. From tracking your routes with connected GPS to your sleep patterns and blood oxygen saturation you can keep an eye on your health in one convenient place. ¹Battery life and charge cycles vary with use settings and other factors; actual results will vary. ²IP68 waterproof rating. Can be immersed in water up to 6.6 feet (2 meters) for up to 1 hour.