Military Smart Watch for Men, Tactical Waterproof Smartwatch, Black Gold

-INSPIRE A SENSE OF EXPLORATION - The tough smart watch is equipped with an aerospace grade titanium bezel and buttons, and the smartwatch with 15 military standard tests can withstand heat to 196.23°F and cold resistance to -108.42°F. It support also accompanies you to dive underwater for 20 meters. And face tougher challenges with you.-KEEP ONLINE AT ANY TIME - A smart watch with a Hi-Fi speaker and ribbon microphone that not only supports Bluetooth to make and receive calls, but also supports playing music and AI voice. Your notifications and messages are on your wrist and available with just a glance. Turn on the "Phone" mode of the watch, and connect the Bluetooth named "Audio_AK45" (call) in the phone settings, It makes allowing you to enjoy freedom.-HEALTH MASTERED ON WRIST - The tactical watch is equipped with a BIO 4.0 PPG optical sensor, which improves the accuracy of exercise heart rate and blood oxygen track by 8%, and also make accurately monitors light sleep, deep sleep, and REM periods. Military smart watch achieves more accurate health data collection capabilities. Motivate you to develop healthy habits and become a better version of yourself.-ULTRA BATTERY LIFE SPECIALIST - Android smart watch has a large 400 mAh battery, which can support up to 30 days of standby, 15 days of typical use, or 5 days of heavy use on a single charge.