The F400 is a smart watch that supports various health monitoring features and sports modes. It includes ECG measurement, blood oxygen monitoring, and over 150 sports modes.
1.55-inch high-definition touch screen
360x360 resolution (sRGB high color gamut)
IPS LCD OCA full touch screen type
Bluetooth 5.3
Battery: polymer lithium-ion 3.7V / 380 mAh
Charging method: magnetic charging cable
Charging time: approximately 2.5 hours
Battery life: 5-8 days for heavy use, 10-15 days for light use, standby: 60 days
Health monitoring features: ECG, blood oxygen, blood sugar, body composition analysis, heart rate variability report, 24-hour scientific sleep tracking, all-day stress monitoring, SOS alarm, fall alarm
Conventional functions: step counting, distance tracking, calorie tracking, call notifications, voice assistant, blood pressure monitoring, temperature test, breathing training, stopwatch, timer, calculator, time and date setting, mini-games, female menstrual period tracking, music playback, music control, remote photography, weather display, wrist-raising screen, mobile phone search
