Activity Monitors features: Smart Watch for unisex with Calorie Sleep Monitor Fitness Tracker, Music Control for Android iOS-Black2 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. ➤ (Multifunctional smartwatch for women) Chronus smartwatch is equipped with 1.08 inch color touch screen and Milanese magnetic strap, which perfectly matches the elegant style of women. Has 4 different styles of watch faces and also supports custom wallpapers. With music control, stopwatch, smart alarm clock and sedentary reminder function.➤ (Heart Rate / Sleep Monitor) Chronus Activity Tracker monitors your heart rate throughout the day, tracks calories burned, maintains health through data analysis, and regulates energy during exercise. Automatically monitor your sleep and analyze sleep quality through deep sleep, light sleep, and wake up to better understand sleep quality. Help you develop a healthier lifestyle.➤ (Information notification and Call reminder) After connecting the smart watch to the cellphone, set it up through the APP. When the phone receives incoming calls, text messages, and messages (Facebook, Twitter, WhatsApp, Instagram, Messenger, etc.), it will vibrate to remind you. Compatible with Android 4.4, IOS 8.0, Bluetooth 4.0 and above.➤ (IP68 waterproof and 8 Sports Modes) Chronus Fitness Tracker supports 8 exercise modes, which can accurately record your heart rate, steps and calories during exercise to help you train better and achieve your exercise goals. You can view the exercise data on the watch screen or the app. IP68 waterproof function allows you to wear your fitness smartwatch when washing your hands and swimming➤ (Designed for Women) Chronus watches for women provide medical assistance to women and have special physiological monitoring functions. Users can record their personal menstrual cycle through the app and monitor their symptoms and menstrual cycle anytime.