Bluetooth Calls & Smart Notifications: The Bluetooth smart watch built-in dual Hi-Fi speakers and condenser microphone, provides the ability to take calls, the ability to dial a phone number, and answer or reject calls. Turn on the watch's voice mode, then connect the bluetooth, you can directly use the watch to make and answer calls when you are running and driving. The men's smart watch makes the inconvenient scenes of holding a mobile phone in sports and life more refined and intelligent. Vibrates to remind you when your phone receives a call, SMS or app message (including Facebook, Twitter, Whatsapp, etc.). 24-Hour Health Monitoring: The men's fitness watch features 20 sports modes, including running, climbing, cycling, etc. The smart watch can record important data such as exercise heart rate, distance traveled, movement speed, and calories burned in real time. At the same time, it can monitor your heart rate, blood pressure and blood oxygen all day long, and provide you with real-time data, so that you can better understand your health and make a reasonable adjustment to your lifestyle. 5 levels of brightness adjustment allow you to easily use the smart watch in the sun for a better visual experience Compatible with IOS and Android Systems: The smart watch is compatible with most smartphones running iOS 9.0 and Android 6.0 or above. For a better visual experience, the iPhone compatible smartwatch comes with a touch screen and features like 1.35 inch IPS and 360 x 360 resolution. FitCold Pro App. IP67 waterproof, it will not be damaged even if you wash your hands, shower or rain while wearing the fitness watch. Meet your daily needs. (Note: Do not soak in hot water/sea water) Long Battery Life and More Features: Built-in BLE5.1 chip with low power consumption. The multi-language men smart watch is equipped with a large 300mAh battery with 30 days standby and 7 days daily use after fully charged.