• HD Large Screen: The watch adopts a 1.39-inch 360*360 resolution, IPS full-view large screen, High hardness anti-slip glass, even outdoors, the watch display is very bright
• IP68 Waterproof for Daily Life: Waterproof and dustproof design. daily rain, hand, washing, and cold water bathing can be worn normally. Easily deal with daily life scenarios
• Real-Time Blood Pressure Monitoring: You can easily measure your blood pressure between your wrists and know your blood pressure health at any time. One-click operation, real-time display of measurement results
• Message Reminder: Support mobile phone call reminders and push messages such as Twitter and SMS, Don't miss important information 
• Heart Rate Band Monitoring: The heart rate band amplifies and processes the micro-voltage signal generated by the heartbeat. The ECG value is directly obtained, thus reducing the influence of light and skin on the accuracy of the situation
• Functions: Intelligent ECG blood glucose health watch, 1.39-inch 360*360 HD touch screen, ECG(High-frequency 512HZ), chest patch real-time ECG analysis, ECG monitoring, non-invasive blood glucose, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, multi-exercise mode, custom dial, online multi-dial, exercise recording.Sleep monitoring, call and message reminder, ultra-low power consumption, and long endurance.Metal alloy case, silent alarm clock, remote photo, music control, sitting reminder, drink water reminder, weather display, countdown, shake to take photos, mobile phone search

Specifications:

• Product Model: E420
• APP name: H Band
• Chip: low-power design GR5515
• PPG sensor chip: SFH2201
• Audio chips: TYHX3220 (512HZ)
• Blood oxygen chip: GH3220 RF analog front-end+ SFH2201
• G-Sensor: Rohm KXTJ3-1057
• Battery Capacity: 280mAh
• Screen size: 1.39-inch 360*360 HD touch screen
• Heart rate/blood pressure: Green light PPG
• Waterproof: waterproof ip68
• Bluetooth: Bluetooth V5.1 (compatible with Android 5.0 and IOS 9.0 above version)
• Operation mode: Full touch screen+button
• Material: Zinc Alloy case+Abs  
• Charging mode: Magnetic suction charging line (protect): USB 2.0
• Health Monitor: Sleep monitoring, heart rate, blood pressure, sitting reminders, drinking reminders, blood oxygen, blood sugar
• Sports modes: Sports steps, sports mileage record, card road consumption, a variety of sports modes. Movement track (mobile APP display)
• Standby time: 30 days standby, daily battery life of 4-7 days (the above data from the factory laboratory, may be different due to personal use environment, different processes)
• Other functions: Mute alarm clock, remote photo, music control, sedentary reminder, drink water reminder, weather display, wrist light screen, call reminder, SMS reminder, countdown, shake to take photos, mobile phone search, etc
• WeChat movement: Follow the public account, can share synchronization to WeChat campaign
• App language: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean
• Firmware language: Simplified Chinese, Polish, Korean, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Croatian, Dutch