Zeblaze Btalk 3 1.39 inch Screen Voice Calling Smart Watch, Support Heart Rate / Blood Pressure / Blood Oxygen(Starlight Silver)

1. Material: Zinc alloy + Aluminum Alloy + Stainless Steel + fluoroelastomer strap2. Screen size: 1.39 inch IPS screen3. Resolution: 360×3604. Battery capacity: 230mAh5. Chip: Realtek 8763e6. Normal time: About 14 days7. Use time: About 7 days8. Voice Call Duration: About 325 minutes9. Charging time: About 1.5 hours10. Support system version: Android 4.4 or iOS 8.0 and above11. Sensor: Wrist Heart Rate Monitor, Pulse Ox Blood Oxygen Saturation Monitor, Proximity sensor, Accelerometer. 12. Bluetooth: BLE 5.2 13. APP Name: Da Fit 14. Watch Band: 22mm width, compatible with standard 22 mm quick release watch bands. 130-235mm wrist circumference15. Dial size: 44.5 x 44.5 x 12.3mm 16. Weight: 56g with wristband, 39g without wristbandLanguages:1. System: English, Portuguese, Russian, Spanish, Japanese, Kor., French, Italian, Ukrainian, Arabic, Simplified Chinese, Traditional Chinese.2. Da Fit APP: English, Portuguese, Russian, Spanish, Japanese, Kor., Arabic, Bulgarian, Czech,