OEM/ODM Manufacturer
OEM · ODM · Shenzhen
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OEM/ODM Manufacturer
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The ST520 AI ECG Smart Health Ring combines advanced biometric sensing with an elegant ring design to deliver continuous health monitoring without sacrificing comfort. Featuring ECG measurement, AI heart health analysis, heart rate, blood oxygen, body temperature, blood pressure, sleep tracking and multi-sport recording, it provides users with valuable wellness insights anytime. Powered by Bluetooth 5.3 with low energy consumption and a portable magnetic charging case, the ST520 is an ideal OEM/ODM wearable solution for healthcare brands, smart wearable companies and global distributors seeking a premium smart ring platform.
Battery
18mAh / 30 days standby
Waterproof
IP68
Compatible
Android 6 and above，iOS 11 and above
Colors
Black / Support customization
Engineered for performance, designed for life -- every detail crafted at our Shenzhen factory.
Capture real-time ECG data and receive AI-powered heart health analysis for early wellness awareness. Designed for continuous personal health tracking.
Monitor multiple wellness metrics including: ECG Heart Rate Blood Oxygen (SpO₂) Body Temperature Blood Pressure Sleep Quality Non-invasive Blood Glucose Trend* Activity Tracking *For wellness reference only.
Crafted from durable 304 stainless steel with a skin-friendly inner surface, offering an elegant, lightweight design suitable for all-day and overnight wear.
Equipped with an 18mAh battery plus a portable magnetic charging case, providing: 4–6 days typical use 30+ days standby Convenient magnetic charging Low-power Bluetooth 5.3 connectivity
Automatically records:Steps,Calories,Distance,Running,Cycling,Fitness,Jump Rope,Daily Activity Helping users better understand both exercise performance and recovery.
Perfect for healthcare brands, wearable brands and distributors. Support includes: Logo customization APP customization Packaging design Firmware customization Private Label Global certification support
Explore every detail — precision craftsmanship and intelligent engineering, examined up close.
| Specification | Details |
|---|---|
| Model Number | ST520 |
| Chipset | NORDIC NRF52832 |
| Battery Life | 18mAh / 30 days standby |
| Water Resistance | IP68 |
| Dimensions | 12g / 8 inches, 9 inches, 10 inches, 11 inches |
| Materials | Metal 304 stainless steel |
| Shell Colors | Black / Support customization |
| Compatibility | Android 6 and above，iOS 11 and above |
| App Name | HealthWear |
| Bluetooth | BLE 5.3 |
| OTA Support | Support OTA via BT |
| Sensors | Heart Rate, Blood Oxygen, Acceleration, Body Temperature, ECG PPG |
| PPG sensor | Goodix 3228T+2 * SFH2703 |
| Temperature sensor | Goodix 3228T+high-precision NTC resistor |
| Using time | 4-6 days |
| Packaging List | Ring, charging cable, user manual, packing box |
From concept to custom product -- our 4,000 m² Shenzhen factory supports full-scale branding, packaging, and firmware customization.
Logo Customization
Custom logo engraving, printing, and dial branding available.
Shell Colors
Black / Support customization
Function Customization
Custom App
Packaging Options
Glue box type
Lead Time: 3-5 days
MOQ 5PCS
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