Keep Smart Fitness Tracker B4 Lite for Students with Health Monitoring - Black

Power Method: Magnetic Charging Blood Oxygen Monitoring: Real-time Monitoring Screen Type: TFT Display: Color Water Resistance: 50 Meters AI Voice Function: Not Supported NFC Function: No NFC Blood Pressure Monitoring: Not Supported Heart Rate Monitoring: Real-time Monitoring Activity Recognition: Outdoor Running, Indoor Walking, Outdoor Walking, Indoor Running Strap Material: Silicone Main Unit Model: Other Payment Function: Scan-to-Pay