【Sturdy Military Smart Watch】The casing of the Mingdaln tactical smart watch is made of zinc alloy and has passed multiple military-grade tests such as extreme temperatures low air pressure dust resistance etc. making it sturdy and durable! The mechanical rotating button on the side allows you to enjoy the feel of an ordinary mechanical watch while also feeling smart! Mingdaln men s smart watch is also equipped with a flashlight on the side so you are no longer afraid of the dark and is specially designed for outdoor sports! 【Make/Receive Calls and Notifications】Mingdaln Bluetooth Calling Smart Watch is equipped with high-quality speakers and supports making and receiving calls. After pairing the men s smart watch with your phone the watch will vibrate when you receive calls and messages (such as Twitter Facebook Skype WhatsApp etc.) so you will never miss important calls or messages again! Mingdaln men s smartwatch also supports do-not-disturb mode which can be set to avoid being disturbed during meetings. 【100+ Sports Modes】Mingdaln men’s smart watch supports more than 110 sports modes such as running hiking cycling basketball football etc. You can select and replace any variety of sports modes in the APP. Mingdaln fitness tracker can be used to record key data during exercise in real time! In addition the smart watch has a built-in 500mAh battery which can be fully charged in 2 hours can be used for up to 5-7 days and has a long standby time of about 15 days.