G08 1.3 inch TFT Screen Smart Watch, Support Medical-grade ECG MeasurementWomen Menstrual Reminder, Style:TPU Strap 1. Processor (MCU main control): Goodix GOODIX5515 2. Analog front-end chip: Maxim MAX86176, ECG sampling rate 512Hz, support CFDAFDA 3. Optical lens: Fresnel lens 4. Body temperature sensor: Maxim MAX30208 body temperature sensor 5. Acceleration sensor: Acceleration Sitronix STK8321 3-axis sensor (G-SENSOR) 6. Blood oxygen sensor: Osram 2201, plus red light, infrared, green light 7. Display: 1.3-inch TFT high-definition screen, resolution: 240*240DPI 8. Battery capacity: pure cobalt lithium battery 230 mAh, 7-10 days of use, 30 days of standby (measured) 9. Bluetooth: 5.1BLE (low power consumption) 10. Charging interface: magnetic charging with short circuit protection 11. Charging time: 2-3 hours 12. Compatible system: Android 4.4 and above, iOS 8.2 and above 13. Material: zinc alloy + vacuum plating + PC + ABS + medical grade 316 stainless steel sheet 14. Watch language support: Chinese, English, Japanese, French, German, Italian, Spanish, Russian, Portuguese 15. APP language: Chinese, Traditional, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Vietnamese, Korean, Persian (Arabic) 16. Functions: Medical-grade ECG measurement, automatic infrared blood oxygen measurement, sleep apnea monitoring (snoring monitoring), HRV Lorentz scatter diagram, accurate scientific sleep monitoring, breathing training, heart rate monitoring, 10 sports modes, Menstrual and ovulation reminder, body temperature measurement, step counting, calorie, distance measurement, alarm clock, information reminder, turn wrist to brighten the screen, remote photo, pick up reminder and reject, mobile phone music control, sedentary reminder, stopwatch, WeChat sports synchronization, Multi-dial switching, heart rate alarm, etc. 17. Appearance size: 46x11.5mm 18. Strap: 22x265mm