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ECG Smart Watches

AI AMOLED ECG Smartwatch with Bluetooth Calling | SANVNETECH

Discover AI AMOLED smartwatch with ECG monitoring, GPT Q&A, Bluetooth calling, 466×466 display, IP68 water resistance and comprehensive wellness features.

AI AMOLED ECG Smartwatch

AI Intelligence. ECG Monitoring. Connected Lifestyle.
Experience a smarter way to stay connected with the ET491 AI Smartwatch. Combining a vibrant AMOLED display, ECG monitoring, AI-powered features and Bluetooth calling, ET491 brings health tracking and smart convenience together in one stylish wearable.

1. Stunning 1.32-Inch AMOLED Display

Enjoy a vibrant viewing experience with a 1.32-inch AMOLED full-touch display featuring 466 × 466 resolution.
  • High-resolution AMOLED screen
  • Full-screen touch control
  • Nano ECG glass
  • Off-screen clock function
  • Personalized watch faces

2. AI GPT & Smart Watch Faces

Make your smartwatch experience more intelligent.
  • AI GPT intelligent Q&A
  • AI-generated watch faces
  • Intelligent voice assistant
AI GPT and AI watch face functions are supported in compatible watch languages. Simplified and Traditional Chinese language settings are excluded according to the current specification.

3. ECG & Comprehensive Health Monitoring

Explore more wellness information through multiple integrated monitoring functions.
  • ECG recording with 500Hz sampling specification
  • Heart rate monitoring
  • Blood oxygen (SpO2) monitoring
  • Sleep monitoring
  • Stress and fatigue assessment
  • Emotion detection
  • Women's health tracking
  • Temperature monitoring
  • Breathing exercises
Additional manufacturer-listed health assessment functions include blood pressure, blood glucose, blood composition and body composition assessment, subject to technical validation and applicable regulatory requirements.

4. Bluetooth Calling & Smart Assistant

Stay connected without constantly reaching for your phone.
  • Bluetooth calling
  • Incoming call notifications
  • Smart message notifications
  • Intelligent voice assistant
  • Weather forecast
  • Music playback and control
  • SOS emergency calling

5. Fitness & Daily Activity Tracking

Support your active lifestyle with practical everyday functions.
  • Multiple sports modes
  • Step counting
  • Calorie tracking
  • Distance tracking
  • Sedentary reminders
  • Stopwatch and countdown timer

6. IP68 Water Resistance & Long Battery Life

Designed for convenient everyday use.
  • IP68-rated water resistance
  • 250mAh high-density lithium-polymer battery
  • Approximately 4–7 days of working time
  • More than 20 days of standby time
  • Convenient magnetic charging

7. Multilingual Experience

ET491 supports 17 watch languages and 36 companion app languages, making it suitable for international wearable markets.



Technical Specifications

Specification
Details


Main Chipset
Zhongke 5690G
ECG Chip
Goodix GH3228T
ECG Sampling
500Hz
PPG Chip
PD2325 + GH3228T
Motion Sensor
Minghao DA267
Display
1.32-inch AMOLED
Resolution
466 × 466
Touch Control
Full-Screen Touch
Bluetooth
BLE 5.4
Battery Capacity
250mAh
Battery Life
4–7 Days
Standby Time
20+ Days
Charging
Magnetic Charging
Water Resistance
IP68 Rated
Material
Alloy Metal
Strap Options
Silicone / Leather / Metal
Case Colors
Rose Gold / Bright Silver
Companion App
G Band
Watch Languages
17 Languages
App Languages
36 Languages
Device Dimensions
255 × 31 × 9mm
Gift Box Size
171 × 96 × 33mm
ET491 — Smarter Health. Smarter Living.
Health Disclaimer: ET491 is intended for general wellness and fitness purposes. ECG, blood pressure, blood glucose, blood composition and other health assessment functions should not be used for medical diagnosis or treatment unless appropriately validated and authorized for the intended market. Actual features and performance depend on firmware, app version and regional requirements.