<p>1. Main control chip: Realtek 8762D</p> <p>2. Memory: 128Mb</p> <p>3. Screen size: 1.53 inches</p> <p>4. Resolution: 320x380</p> <p>5. Bluetooth version: 5.1</p> <p>6. Charging method: magnetic charging</p> <p>7. Waterproof level: IP68 waterproof</p> <p>8. Battery capacity: 380mAh</p> <p>9. Machine material: alloy + stainless steel + TP</p> <p>10. Charging time: 2-3h</p> <p>11. Use time: 4.5h</p> <p>12. Support Android 4.4 and above, Apple iOS9.0 and above</p> <p>13. Support Simplified Chinese, English, Japanese, Korean, French, German, Italian, Spanish, Russian, Portuguese, Swedish, Turkish, Polish</p> <p>14. Support ECG measurement, HRV report, APP analysis results</p> <p>15. Bluetooth call, voice assistant, one-click SOS rescue</p> <p>16. One-click micro-physical examination, five internal organs detection, quick assessment of physical condition</p> <p>17. Support remote care for relatives and friends, multi-sports mode, custom dial and other functions</p> <p>18. 24-hour continuous dynamic heart rate monitoring (with liveness detection function), body temperature monitoring, stress test, independent and accurate blood oxygen, blood pressure monitoring, sleep monitoring and other health monitoring functions</p>