Zeblaze Btalk 3 Pro 1.43 inch BT5.2 Fitness Wellness Smart Watch, Support Bluetooth Call Sleep Blood Oxygen Heart Rate Blood Pressure Health Monitor 1. APP Name: FitCloudPro 2. Display screen: 1.43inch Ultra HD AMOLED Display 3. Resolution: 466x466 4. Bluetooth: 5.2 5. battery: 260mAh 6. Charging time: 1.5H 7. Battery life: a. Battery saver modes: 14 days b. Typical Usage Modes: Up to 7 days c. Heavy Usage Modes: Up to 5 days d. Continuous Voice Calling: Up to 365 mins 8. Compatible with smartphone systems: Android 5.0 or IOS 10.0 or above systems 9. Support system language: English, Portuguese, German, Spanish, French, Russian, Italian, Polski, Turkish, Persian. 10. APP language: English, Portuguese, German, Spanish, French, Russian, Italian, Polski, Turkish, Korean, Arabic, Hebrew, Thai, Croatian, Czech, Indonesian, Malay, Greek, Romanian. 11. Product Features: Voice CallingTheme StyleClockHealth MonitoringDaily SmartActivity Trackingsports modesAPP Sync 300+Support Always-on DisplaysSupport Customize Watch FacesWrist-based Heart Rate (Constant, Every Minute), Daily Resting Heart Rate, SpO2(Blood Oxygen) Level Measurement, Blood Pressure, Breathing Training, Women's Health, Sleep Score and Insights, and Calorie Burn Tracking. 12. Case: Plastic 13. Button: Aluminum alloy 14. Wristband material: durable and comfortable liquid silicone strap. 15. Wristband width: 22 mm, Compatible with standard 22 mm quick-release watch bands. 16. Wrist Circumference: 130-235 mm 17. Dial size: 45.2 x 46.6 x 10.3 mm 18. Weight: 38.6 g 19. FitCloudPro APP Push: Indoor running, strength training, elliptical machine, table tennis, rowing machine, tennis, baseball, rugby, cricket, lazy car, exercise bike, treadmill, free training, aerobics, indoor walking, indoor cycling, dance, sit-ups, hula hoops, golf, long jump, volleyball, stepping, horseback riding, field hockey, tai chi, shuttlecock, boxing, outdoor walking, cross-country running, skiing, gymnastics, ice hockey, taekwondo, maximal oxygen uptake, walker, hiking, track and field, waist and abdominal tra