ET540 1.91 inch IP67 Waterproof Silicone Band Smart Watch, Support ECG / Non-invasive Blood Glucose Measurement(Black)

1. Support ECG electrocardiogram function, Bluetooth call, non-invasive blood sugar measurement, HRV function, AI medical diagnosis, METO function, body temperature monitoring, blood oxygen monitoring, breathing training, stress monitoring, NFC function, womens health (period tracking), heart rate monitoring , blood pressure monitoring, sleep monitoring, sedentary reminder and other health functions. Step/calorie/distance, multi-sport mode, music control.2. Screen size: 1.91 inches, high resolution 320x386 screen3. Screen type: IPS HD TFT4. Main control chip: ultra-low power consumption 7013A5. Body temperature sensor: contact body temperature sensor6. Blood oxygen: infrared light + red light True blood oxygen, gravity sensor: Rohm KXTJ3-10577. ECG chip: VP555ER, photoelectric chip: dual PD-VP555ER8. Vibration: mute/vibrate9. Waterproof level: IP6710. Compatible system: Android 4.4 and above, iOS 8.2 and above11. Bluetooth: 5.0BLE12. Battery capacity: 260mAh13. Charging method: Magnetic charging14. Charging time: about 3-4H15. Battery life: 3-5 days in use, 20+ days in standby16. Control method: full-screen touch control, mobile phone APP control17. Language:- 13 languages on the watch side: Chinese, English, Japanese, Russian, German, Spanish, Italian, French, Portuguese, Korean, Polish, Czech, Traditional Chinese.- APP language: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean.18. Other functions: stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, raising hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc., shaking Photograph.19. Material:- Shell: metal alloy + stainless steel- Bottom shell: PC+ABS+medical 316 steel sheet- Strap: Eco-friendly silicone