Zeblaze Btalk 3 GPS 1.43 inch HD AMOLED Screen Health Fitness Smart Watch, Support Bluetooth Call (Space Gray)

Parameters
1. Bluetooth: BLE 5.2
2. Dimensions: 45.2x45.2x10.9 mm
3. Weight (without strap): 26.2 g (with wrist strap), 43 g (without wrist strap)
4. Material: durable, comfortable and removable strap
5. Minimum and maximum wrist size: 130-235mm
6. Body material: plastic bottom shell + middle frame spray
7. Waterproof level: 3 ATM
8. Screen material: AMOLED
9. Screen size: 1.43 inches
10. Resolution: 466x466 pixels
11. GPS positioning: integrated GPS/BDS, assisted GPS for fast positioning
12. Health: wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor
13. Battery capacity: 300 mAh lithium polymer battery
14. Standby time in power saving mode: up to 25 days
15. Training time in power saving mode: up to 14 days
16. Training time with full GPS and HR tracking enabled: up to 180 hours
17. Charging method: magnetic charging cable
18. Theoretical charging time: about 1.5 hours
19. Application: Fitbeing
20. Supported devices: Android 5.0 or iOS 10.0 and above
21. Operating temperature: 0 degrees Celsius to 55 degrees Celsius, below -20 degrees Celsius may affect battery life and performance

Features
1. Activity tracking: activity record, pedometer, stand, move bar (displayed on the device after a period of inactivity; reset by walking for a few minutes), automatic goal (learns your activity level and assigns a daily step goal), calorie consumption, real-time pace and distance
2. Twenty-four-hour monitoring: wrist heart rate (abnormal heart rate alert), steps, stand, calorie consumption, real-time distance
3. Manual measurement: wrist heart rate, SpO2 (blood oxygen) level measurement, stress level, female cycle tracking, breathing training
4. Sleep quality monitoring: sleep stages (including REM), sleep schedule, sleep score and insights
5. Available running modes: GPS-based distance, time and pace, custom activity goals, real-time steps,