MILITARY GRADE STANDARD - military sports watch has a 10 military grade certifications and can be used under the harsh environmental conditions, such as 70 heat resistance, -40 cold resistance; 120 hours resistance to humidity, 96 hours resistance to salt spray. military tactical sports watch is definitely convenient for your short outdoor activities and adventures. BLUETOOTH DIALING & BUILT IN SPEAKER - smart watch supports Bluetooth dial and answer calls. You can directly make calls and answer calls on your watch and get your hands free. Built in speaker, smartwatch can not only control the phone music playing, but also play the music itself. Besides, it also supports calorie / distance calculation, weather forecast, message notifications etc. HEART RATE MONITORING & SLEEP TRACKING - smart watch supports sleep tracker, heart rate monitor, blood pressure & oxygen in real time to get a better understanding of your health. Attent
