1.39-inch 360*360 high-definition touch screen, ECG, real-time ECG analysis with chest stickers, ECG monitoring, non-invasive blood sugar Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, multi-sport mode, custom dial, online multi-dial, exercise record Sleep monitoring, incoming call and message reminder, ultra-low power consumption and long battery life Metal alloy shell, silent alarm clock, remote camera, music control Sedentary reminder, drinking water reminder, weather display, countdown, shake to take pictures, and mobile phone search Specifications: APP name: H Band CPU chip: low power consumption GR5515 PPG sensor chip: SFH2201 ECG chip: TYHX3220 Blood oxygen chip: GH3220 + SFH2201 Gravitational acceleration sensor: ROHM KXTJ3-1057 Battery: 280mAh? Display: 1.39-inch 360*360 high-definition touch screen Heart Rate: Green Light PPG Waterproof: IP68 rating Bluetooth: Bluetooth 5.1 (above Android5.0, above IOS9.0) Touch: Full touch screen (full fit screen) Shell material: alloy metal + plastic Charging method: USB magnetic 2pin charging cable (with protection) Health monitoring: sleep monitoring, heart rate, blood pressure, sedentary reminder, drinking water reminder, blood oxygen, blood sugar Sports pedometer: sports steps, sports mileage records, calorie consumption, a variety of sports modes. Movement track (displayed by mobile APP) Standby time: 30 days standby, daily battery life 4-7 days Life assistant functions: mute alarm clock, remote photo, music control, sedentary reminder, water reminder, weather display, wrist lift to brighten the screen, call reminder, SMS reminder, countdown, shake to take pictures, mobile phone search, etc. APP languages: Chinese (Simplified, Traditional), Korean, Japanese, English, German, French, Italian, Spanish, Portuguese (Portugal), Russian, Hungarian, Turkish, Indonesian, Polish, Czech, Greek language, Swedish Firmware Languages: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean