Zeblaze Btalk 3 Plus 1.39 inch Screen Fitness & Wellness Smart Watch Supports Voice Calling 1. Display: 1.39 inch 360x360 IPS color screen 2. Sensor: 3-axis accelerometer and 3-axis gyroscope sensor, OHR fusion biometric sensor 3. Battery capacity: 220mAh Li-pol battery, charging time: 1.5 hours 4. Battery life: 14 days for typical usage mode and 7 days for heavy usage mode 5. Bluetooth: BLE 5.2 6. Support system: Android 5.0 or iOS 10.0 and above. 7. APP: FitCloudPro 8. System language: Simplified Chinese, Traditional Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Dutch, Italian, Czech, Greek, Indonesian, Korean, Malay, Polish, Thai, Vietnamese, Finnish, Romanian, Turkish, Croatian 9. APP language: English, Portuguese, German, Spanish, French, Russian, Italian, Polish, Turkish, Japanese, Korean, Arabic, Hebrew, Thai, Croatian, Czech, Indonesian, Malay, Greek, Romanian, Simplified Chinese 10. Voice Calling Features: One Touch to Connect, Voice Calling, Voice Assistant, Dial Pad, Recent Call, Contact, Call Rejection. 11. Clock Features: TimeDate, Automatic Daylight Saving Time, Stopwatch, Timer, Alarm and Time Setting. 12. Health Monitoring: Wrist-based Heart Rate (Constant, Every Minute), Daily Resting Heart Rate, SpO2(Blood Oxygen) Level Measurement, Blood Pressure, Breathing Training, Women Health, Sleep Score and Insights, and Calorie Burn Tracking. 13. Daily Smart Features: Smart Notifications(Call, Text, Gmail, and Smartphone App Notifications), Weather Sync, Controls Smartphone Music and Camera, Find My Phone and Watch, Do Not Disturb Modes, Sedentary alert, Drink water reminder, Calendar, Calculator, Business Card, APP Download. 14. Activity Tracking Features: Activity Record, Step Counter, Standing, Move Bar (Displays on device after a period of inactivity; Walk for a couple of minutes to reset it), Auto Goal (Learns your activity level and assigns a daily step goal), Calories Burned, Real-time Pace & Distance. 15. Material: Plastic case+aluminum alloy button+liquid silicone