Military-grade toughness with 10 ATM Water-resistance, 70°C heat resistance, -40°C cold resistance,240 hours humidity resistance, and 96 hours salt spray resistance. Protect your health and keep fit with heart rate, sleep quality monitoring, and blood-oxygen saturation measurement, and get personalized evaluations via built-in health assessment system PAI. This is a fitness watch that strikes the perfect balance between practicality and comfort–features an always-on 1.3-Inch HD AMOLED color screen for smoother touch operation and richer & brighter color, a skin-friendly silicone strap with a sweat-wicking design to ensure it stays dry and comfortable, Black. Unisex.

• Passed 15 military-grade tests, and can withstand hot deserts, humid rainforest.
• The smartwatch support four global navigation satellite systems.
• When fully-charged, you can enjoy 18 days battery life.
• 10 ATM water-resistant to a depth of up to 100 meters.
• Features over 100 sports modes and can be used to monitor critical data.