Outdoor Sports Triple-proof Large Battery X3 Smartwatch

Product information:
Color: Black, Silver
Screen Size: 1.73-inch AMOLED
Battery Capacity: 900mAh
Operation Method: Touch + Button
Screen Type: AMOLED
Battery Life: 15-21 days
Features: Waterproof, Step Counting, Heart Rate Monitoring, Blood Pressure Measurement, Social Entertainment, Bluetooth Calling, Smart Reminder, Remote Selfie, Sleep Monitoring, Blood Oxygen Detection