About this item 【Military Grade Standard & 5ATM Waterproof】This military smart watch for men is made of special composite materials and a metal shell, making it rugged and durable. Njord gear smart watch has passed various tests for durability, including drilling, crushing, exposure to hot steam, salt spray, and liquid contamination. Additionally, it can continue to function even in very low temperatures. 【Bluetooth Calls & Message Notification】This men's smart watch is equipped with a 5.0 Bluetooth chip, allowing you to make and receive calls, receive text messages from your mobile phone, control music playback, and even take pictures with your phone's camera. With this watch, you can free your hands and stay connected while socializing and entertaining. You'll never miss important information again, and you won't have to take out your phone all the time. 【Multifunctional Smart Watch for Men】Bluetooth voice call rugged smart watches features include social media message notifications and previews,AI voice assistant,blood pressure,blood oxygen,dynamic heart rate,sleep monitoring,alarm clock,calculator, breathing exercises, calorie counting,usiness cards,sedentary reminder,stopwatch,flip wrist light-up,remote camera,music control,weather forecast,multi dial switching,drinkwater reminder,100+ sports modes 【400mAh Large Battery Capacity & DIY HD Touch Screen】Military tactical sports smart watch has 400mah battery capacity with standby time up to 30 days and normal working time u