Activity Monitors features: Smart Watch, with Heart Rate Monitor, Sport Watch with Pedometer Calories Sleep Stopwatch(Green) 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. ⌚ (Full Touch Screen & Multifunctional Smart Watch) 1.28 inch IPS color screen with sensitive touch control. This Smart Watch supports pedometer, 24H continuous HR monitor, blood pressure monitor, sleep tracker, calories, health reminders, call & SMS reminder, 7 sports modes (walk / run / bike / jump rope / badminton / basketball / football). In sport mode, the watch records the day's activities such as steps, distance, etc.⌚ Sleep & Heart Rate Monitor) The smartwatch has a built-in optical sensor, which can not only monitor your heart rate and blood pressure in real time 24 hours a day, but also automatically track your quality of sleep. night (to help you understand and improve the quality of sleep). When you use this smartwatch, it can tell your health anytime, anywhere.⌚ (Call and SMS reminder) Receive call, alarm, SMS notifications (Facebook, Whats App, Instagram, Twitter, etc.) on the watch by connecting the Dafit app. Vibrations to alert you to incoming calls and messages, and remind you to move around after periods of inactivity and important dates, helping you stay connected, never miss the messages that matter. Note: The connected bracelet cannot directly call and reply to text messages.♥ (Long Lasting & Convenient Multifunctional Sports Smart Watch) Sports Smart Watch can be used for 7-10 days or standby for 30 days when charged for 2 hours. Very suitable for using this smart watch in your daily sports, fitness, weight loss, business meetings and family travel. Support pedometer, sleep tracker, calorie consumption, meeting and sedentary lifestyle, etc.???? (Compatible with Android / iOS) This Chronus connected watch is compatible with Android and iOS phones. Download and install the free "DaFit" app by scanning the QR code in the manual or by searching the App Store. Compatible systems: iOS 8.0 or higher, Android 4.0 or higher. (not for Tablet / PC devices). Turn on the phone's bluetooth and connect to the smart watch via APP.