Zeblaze Btalk Plus 2.03 inch Screen Voice Calling Smart Watch, Support Heart Rate / Blood Pressure / Blood Oxygen(Black)

1. Material: Aluminum Navigation Crown+ Plastic + fluoroelastomer strap2. Screen size: 2.03 inch HD Color Display3. Resolution: 240×296 pixels, 260 PPI4. Battery capacity: 280mAh Li-pol battery5. Water Resistant: IP686. Use time: About 7-15 days7. Voice Call Duration: About 280 minutes8. Charging time: About 1.5 hours9. Support system version: Android 5.0 or iOS 9.0 and above10. Sensor: Wrist Heart Rate Monitor, Pulse Ox Blood Oxygen Saturation Monitor, Proximity sensor, Accelerometer 11. Bluetooth: BLE 5.2 12. APP Name: Da Fit 13. Watch Band: 22mm width, compatible with standard 22 mm quick release watch bands. 145-200mm wrist circumference14. Dial size: 48.5 x 39.5 x 10.9mm 15. Weight: 37.5 g with wristband, 22 g without wristbandLanguages:1. System: nglish, Portuguese, Turkish, German, French, Spanish, Russian, Italian, Japanese, Ukrainian, Arabic, Turkish, Kor., Simplified Chinese.2. Da Fit APP: English, Portuguese, Russian, Spanish, Japanese, Kor., Arabic, Bulgarian, Czech,