Activity Monitors features: Smart Watch Sport Chronus DT3 Fitness Tracker Waterproof for Android iOS Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. ♥ [Watch Fitness Tracker] - the watch will accurately track your steps throughout the day, calorie consumption, distance traveled, heart rate. It also supports additional sport modes to help you keep up with your other exercise patterns.♥ [Smart Watches for Android iOS Phones] - This watch is compatible with most of iOS 8.0 and Android 4.4 smartphones above (not for PC or tablet). You can receive call, text, calendar, email, and message alerts and read them right on Watch.♥ [Sleep Tracker with more convenient tools] - This watch will automatically detect and track your sleep and analyze your sleep quality. You can easily check the data in the app. This watch also has many handy tools, such as alarm clocks, music controller, deep breathing guide, sedentary reminder, stopwatch, timer.♥ [5+ days of battery life and waterproof swimming] - Compared to traditional watches, the watch has improved battery life a lot. With a single full charge, it can work 3-5 days. This watch also has IP68 waterproof standard, you can wear it worry-free while washing your hands or swimming