Xiaomi Band 9 NFC Ceramic Special Edition Smart Band - High Precision Fitness & Health Tracker, Sleep Monitor, Heart Rate & Blood Oxygen Monitor, Sports Band for Boyfriend/Girlfriend Gift

Power Supply: Magnetic Charging Blood Oxygen Monitoring: Real-time Tracking NFC Features: NFC Transit Card, NFC Access Card Blood Pressure Monitoring: Not Supported Display: Color Screen Strap Material: Fluoroelastomer Water Resistance: 5ATM Screen Type: AMOLED Model: Xiaomi Band 9 NFC Heart Rate Monitoring: Real-time Tracking, Manual Measurement AI Voice Function: Supported