Operating System Android and ios Special Feature Fitness Tracker, Phone Call, Sleep Monitor, Blood Oxygen (SpO2) Monitor, Heart Rate Monitor, Calorie Tracker, Alarm Clock, Stopwatch, Timer, Pedometer, Camera Control, Music Playback/Control, Sedentary Reminder, Weather, Waterproof, Notifications.Fitness Tracker, Phone Call, Sleep Monitor, Blood Oxygen (SpO2) Monitor, Heart Rate Monitor, Calorie Tracker, Alarm Clock, Stopwatch, Timer, Pedometer, Camera Control, Music Playback/Control, Sedentary Reminder, Weather, Wat… See more Battery Cell Composition Lithium Ion Brand HOXLRSA Style Classic Color Black Display Type AMOLED Water Resistance Level Waterproof UPC 717839946736 Manufacturer Shenzhen Buzz Tech CO.,LTD About this item Military Standard Quality: Military smart watches for men is manufactured according to military standards, pedometer watch for men have strong resistance to scratches, drops and polishing, and have passed the tests of temperature, high altitude and low air pressure, dust, salt spray and liquid contamination, easily adapts to different harsh working environments.The ios android smart watch is equipped with a 2.06" AMOLED color screen, delivering superior image quality and touch sensitivity. Monitor Health in Real Time: Heart rate monitor watch uses high-performance optical sensors to monitor dynamic heart rate in real time 24/7.Fitness watches for men can also accurately track your personal sleep and detect blood oxygen saturation and stress levels to adjust your physical condition in a timely manner. The app even offers a detailed sleep quality analysis report (light/deep/awake sleep stage), helping you adjust your lifestyle towards a healthier lifestyle. 100+ Sports Modes: With more than 100+ sports modes, this fitness tracker supports running, cycling, climbing,walking,yoga, skiing, football, and more.Digital watch men tracks your daily data such as steps, time, distance, and calories, and connects to the GPS on your phone to record all your training routes and fitness using the app to further motivate yourself to complete your exercise plan. Sports watch is an IP68 waterproof device that can meet your daily needs. Smart watch with text and call: ios android smart watches for women men is equipped with a clear speaker,step counter watch can directly use ladies watch to answer make calls/read messages/play music/store contacts.You can get notifications of calls, SMS and SNS messages, Whatsapp, text, facebook etc.ios android smart watch can support most android and iOS phone(andriod 5.0 and above iOS 9.0 and above).Such as compatible with iPhone, Samsung, HUAWEI,etc Activity trackers and smartwatches wih multifunction: This smart watch for iphone compatible has many functions, such as alarm, weather forecast, stopwatch,sleep mode clock, timer, calendar, music control, remote camera,flashlight，breathing training, sedentary reminder, find watch, find phone, screen brightness adjustment etc. Smart watch for android phones comes with 2 watch straps of different colors