The F400 is a smart watch designed to monitor various health metrics and support multiple sports modes. It features a 1.55-inch high-definition touch screen and offers functions such as ECG measurement, blood oxygen monitoring, and step counting.
1.55-inch high-definition touch screen
Resolution: 360x360
IPS LCD OCA full touch display
ECG measurement
Blood oxygen monitoring
Blood sugar monitoring
Body composition analysis
Red light 24-hour blood oxygen monitoring
HRV report
24-hour scientific sleep tracking
All-day stress monitoring
SOS alarm
Fall alarm
Step counting
Distance tracking
Calorie tracking
Call notifications
Voice assistant
Heart rate monitoring
Blood pressure monitoring
Temperature testing
Breathing training
Stopwatch
Timer
Calculator
Mini-games
Female menstrual period tracking
Music playback and control
Remote photography
Weather display
Wrist-raising screen
Mobile phone search
Supports over 150 sports modes
Built-in 5 dials + 1 market dial + 1 custom dial
APP supports 35 languages
Watch supports 20 languages
Mobile OS compatibility: iOS 10.0 or above, Android 5.0 or above
Main control chip: JL7013
Storage: 16MB + 128MB
Health sensor: VP555EP full-function three-in-one chip
Motor: ERM vibration motor
Waterproof level: IP67
Bluetooth: 5.3
Battery: polymer lithium-ion 3.7V / 380 mAh
Charging method: magnetic charging cable
Charging power: 5V/1A
Charging time: approximately 2.5 hours
Battery life: 5-8 days for heavy use, 10-15 days for light use, standby: 60 days, calls/music playback: 7 hours
