Activity Monitors features: Smart Watch, Waterproof, Long Battery Life, Fitness Tracker, Full-Screen Touch 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. (Fashion Smartwatch) 1.3 inch full view, full screen touch, HD display, so you can enjoy a smooth experience. Press for three seconds to select the display you want. Fashion smart watches with multiple functions make your life more convenient and enjoyable (Activity tracking and IP68 waterproof) The smartband offers multi-sport modes that record your daily activities. It will help you better understand certain activity data like steps, calories burned, distance, etc. With the technology of IP68 waterproof, the smart watch can normally be worn for daily hand washing and swimming. (Health Monitor) This fitness watch records deep sleep, light sleep and sleep time and tracks your sleep quality status to get a better understanding of your health. The green light on the watch detects heart rate, blood oxygen and blood pressure. You could get more specific health data. (Extra long battery standby) The energy saving algorithm has been optimized with a CPU with low power consumption. ， A balance between power consumption and performance has been achieved, giving you up to 7 days of daily working time and 15 days of standby time