SPOVAN H8 1.47 inch TFT HD Screen Smart Bracelet Supports Bluetooth Calling/Blood Oxygen Monitoring(Black)

1. Bottom shell material: ABS+PC2. Wristband material: TPU+ABS3. Wristband size: 140mm-210mm4. Screen resolution: 172x3205. Memory: 128MB6. Bluetooth: BLE5.37. Working voltage: 3.8V8. Battery capacity: 220mAh9. Charging method: magnetic charging10. Charging time: 2.5h11. Standby time: 20-30 days12. Battery life: 5-7 days13. Supports Bluetooth calls, and the dial can be switched at will14. Support heart rate monitoring, blood oxygen monitoring, exercise tracking, sleep monitoring and other functions15. Support Chinese Simplified, Traditional Chinese, English, Japanese, German, Russian, Spanish, Italian, French, Portuguese, Dutch, Turkish, Polish, Arabic