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Yongrow YK-ER2 is a single-lead Holter EKG monitor designed for long-duration personal heart rhythm recording and app-based record management.
Key Features
- Single-lead long-duration EKG recording
- Up to 100 hours of working time
- Lightweight silicone patch design, approx. 17g
- App-compatible data export and record management
- Auxiliary indicators for skin temperature, respiratory rate, and step tracking
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Product Overview
A lightweight single-lead Holter EKG monitor designed for long-duration daily heart rhythm recording.
Single-Lead Long-Duration EKG Recording
Yongrow YK-ER2 is designed for single-lead long-duration EKG recording. It helps collect extended heart rhythm data during daily recording scenarios and provides a simple way to keep personal EKG records for review and reference.
Up to 100 Hours of Working Time
With up to 100 hours of working time and continuous working mode, YK-ER2 is suitable for longer personal heart rhythm recording needs. It supports extended data collection beyond short-session EKG checks.
Lightweight Silicone Patch Design
YK-ER2 features a lightweight silicone patch design with a body weight of approximately 17g. Its soft and wearable form factor is designed for comfortable daily use during long-duration recording.
App-Compatible Data Management & Auxiliary Indicators
YK-ER2 supports Bluetooth 5.0 connectivity and app-compatible data export. Users can manage EKG records through the mobile app, with auxiliary indicators including skin temperature, respiratory rate, and step tracking for additional reference.
Technical Specifications
Model
YK-ER2
Product Type
Single-lead Holter EKG monitor
Lead Type
Single-Lead, Lead I
Channel
Single Channel
Recording Type
Long-duration Holter EKG recording
Working Mode
Continuous working mode
Storage
Built-in storage capacity: 485M
Measurement
Heart rate range: 30–300 bpm, ±2 bpm
EKG Performance
Sampling rate: 250Hz, 24bit
Frequency response: 0.67Hz–40Hz, -3dB to +3dB
Input impedance: ≥15MΩ @ 10Hz
Common mode rejection ratio: ≥65dB
System noise: <25μVpp
Battery & Power
EKG patch battery capacity: 350mAh
Charging case battery: No built-in battery
Working time: ≥100 hours
Standby time: ≥30 days
Charging time: Approx. 5 hours
Charging
Charging interface: Type-C
Input voltage: 5V
Charging current: Approx. 80mA
Design & Protection
Water resistance: IP68
Specifications may vary slightly depending on product version, app version, and actual usage conditions.
Shipping & Delivery
Free Shipping
100% Free Shipping on all orders.
Handling Time
Dispatched within 2 business days.
Delivery Estimate
Arrives in 5–7 business days. Contiguous U.S. only.
Carriers
Shipped via trusted carriers including USPS, UPS, or FedEx.
Exclusions
We currently do not ship to Alaska, Hawaii, P.O. Boxes, or U.S. Territories.
Delivery times are estimates and may vary due to carrier delays, weather conditions, holidays, or other unforeseen circumstances.
Returns & Warranty
7-Day Hassle-Free Returns
Not satisfied? Contact us at support@yongrow.com within 7 days of delivery receipt for a full refund.
Functional Warranty
If your device experiences any functional issues during the warranty period, we will provide a brand-new replacement once the defect is confirmed.
Dedicated Support
Need assistance? Email our support team anytime at support@yongrow.com for quick troubleshooting or return requests.
Please keep your order confirmation and product information for faster support. Warranty and return requests may require proof of purchase and basic troubleshooting information.
Frequently Asked Questions
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The YK-ER2 is a single-lead, single-channel ambulatory ECG recorder with a rated operating time of at least 100 hours, making it suitable for longer recording periods.
The YK-ER2 supports Bluetooth 5.0 or later. Enable Bluetooth, network access, and the required app permissions before connecting.
The supplied product sheet lists respiratory rate, skin temperature, and step count as supporting metrics. These values are intended for health tracking and do not replace professional testing.
The supplied specification lists an IP68 rating. Use the device only within the conditions stated in the final user manual, and keep the charging port and cable connection dry.
No. The ECG waveform and heart-rate data can support professional review, but they must not be used as the sole basis for self-diagnosis or treatment decisions.
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