ET491 Smartwatch: The Ultimate AI Health & Communication Companion with Medical-Grade ECG
The ET491 is an AI-powered health watch with a 1.32" AMOLED screen, offering medical-grade ECG, non-invasive blood glucose, and emotion detection. Featuring IP68 waterproofing and 7-day battery life, it seamlessly blends advanced health diagnostics with smart connectivity.
InquiryProduct Catalog: ET491 Smart Health Watch
Basic Parameters
- Product Model: ET491
- Master Chip: Zhongke 5690G
- ECG Chip: High precision 500HZ Huiding 3228T
- Gravity Sensor: Ming Hao DA267
- PPG Chip: PD2325 + GH3228T
- Blood Oxygen Technology: Infrared light + Red light (True blood oxygen measurement)
- Vibration Mode: Mute / Vibrate
- Waterproof Level: IP68
- Compatible Systems: Android 8.0 and above, iOS 13.0 and above
Core Health Features
The ET491 offers a comprehensive suite of health monitoring tools, including:
The ET491 offers a comprehensive suite of health monitoring tools, including:
- Electrocardiogram (ECG) monitoring & Heart health analysis
- Micro physical examination
- Emotion detection & Fatigue testing
- Non-invasive blood glucose measurement
- Blood composition measurement (Uric acid and lipid function)
- Body composition analysis
- Blood oxygen monitoring & Blood pressure monitoring
- 24-hour scientific sleep monitoring
- Respiratory training
- Women's health tracking (Menstrual period)
- Temperature monitoring
- Remote care for friends and family
- SOS emergency call function
- Sedentary reminder
Smart Functions & Lifestyle
- AI Features: AI dial faces, AI intelligent Q&A, Intelligent voice assistant
- Communication: Bluetooth calling, Call reminders, Social sharing (WeChat, QQ, Facebook, Twitter)
- Fitness: Step counting, Calorie tracking, Distance measurement, Multi-sport modes
- Utilities: Alarm clock, Stopwatch, Countdown, Weather forecast, Calculator, Screen-up gesture
- Entertainment: Music playback and control, Gaming, Shake to take photos
- Display Feature: Off-screen clock display
Display Specifications
- Screen Size: 1.32 inches
- Resolution: 466 * 466 pixels
- Screen Type: AMOLED with Nano ECG Glass
- Control Method: Full touch screen control
Connectivity
- Bluetooth: Version 5.4 BLE (Low Power Consumption)
- App Name: G Band
Battery & Charging
- Battery Type: High-density polymer lithium battery
- Capacity: 250mAh
- Charging Type: Magnetic charging
- Endurance: 4–7 days of typical use; 20+ days on standby
Physical Specifications
- Materials:
- Shell: Alloy metal
- Bottom Shell: Plastic injection molding with sprayed white full light finish
- Strap Options: Leather, Metal, or Silicone
- Dimensions (Bracelet): 255mm (Length) * 31mm (Width) * 9mm (Height)
- Color Options:
- Body Colors: Rose Gold, Bright Silver
- Silicone Straps: White, Pink
- Leather Straps: White, Pink
- Metal Straps: Bright Silver, Gold
Language Support
- Watch Interface Languages: Chinese, Traditional Chinese, Japanese, Korean, English, French, German, Italian, Portuguese, Spanish, Czech, Polish, Russian, Thai, Hungarian, Arabic, Vietnamese.
- APP Interface Languages: Danish, Ukrainian, Urdu, Russian, Croatian, Hungarian, Burmese, Norwegian, Hindi, Indonesian, German, Czech, Turkish, Bengali, Hebrew, Greek, Italian, Polish, Slovak, Japanese, French, Persian, Thai, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, Finnish, English, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay.
Package Contents
- 1 x ET491 Smart Watch
- 1 x Magnetic Charging Cable
- 1 x User Manual
- 1 x Packaging Box
Packaging Dimensions
- Color Box Size: 171mm * 96mm * 33mm
- Master Carton Quantity: 50 units per outer box
AI Smart ECG Health Management Sports Watch
- AI-GPT Q&A | AI Watch Face | ECG
- Micro Physical Examination | Emotional & Fatigue Level Detection
- Heart Health Analysis | Multi-dimensional Health Management
- Bluetooth Calling | Multiple Sports Modes
- Female Health Management | Scientific Sleep Monitoring
- HD Full-Touch Screen | Strong Battery Life

Beautiful Small Watch, Quality Too
-
1.32" Retina AMOLED Display
466×466 Ultra-Clear Resolution -
HD AMOLED Color Screen | 105% NTSC Gamut
-
Over 178° Viewing Angle — Clear, Sharp, Vivid Colors

Rich Smart Applications — Use Whenever You Want
Smart apps cover diverse health & life scenarios.
One-click access for ultimate convenience —
Live efficiently, intelligently, anytime.
One-click access for ultimate convenience —
Live efficiently, intelligently, anytime.

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