Introduction
The HORIGEN E4 Electric Wearable Breast Pump is designed to provide a convenient, efficient, and comfortable breastfeeding experience. This hands-free pump features intelligent control via a dedicated app, allowing for seamless operation and tracking of milk expression. Its lightweight and discreet design ensures portability and quiet operation, making it suitable for use at home, work, or on the go.
Key features include 3 distinct pumping modes (Stimulation, Expression, Mixed) with 9 adjustable levels, ensuring personalized comfort and milk efficiency. The pump is equipped with a 1300 mAh battery for extended use and is designed for easy cleaning with only a few washable parts.

Image: The HORIGEN E4 Electric Wearable Breast Pump, showcasing its compact design and the accompanying mobile application interface for control and tracking.
Video: An overview of the HORIGEN wearable breast pump, highlighting its quiet operation, comfortable fit, and smart features for convenient breastfeeding.
Product Components
The HORIGEN E4 Electric Wearable Breast Pump set includes the following components:
- Pump Motor
- 180ml Milk Collector
- Silicone Flange (multiple sizes: 15/17/21/25mm included)
- Diaphragm
- Silicone Valve
- USB Type-C Cable
- Bra Adjuster
- Clean Brush
- Flange Size Ruler
- Instruction Manual
- Storage Case

Image: A comprehensive view of all items included in the HORIGEN E4 Portable Breast Pump Set, neatly arranged.
Setup
Initial Charge
Before first use, fully charge the breast pump for 2 hours using a 5V-1A power adapter and the provided USB Type-C cable. The battery indicator on the pump's display will show charging progress.
Video: Demonstrates the portability and ease of use of the HORIGEN E4 pump, highlighting its hands-free nature for use anywhere, anytime without needing to reach into your bra.
Assembly Procedure
Follow these steps to assemble your HORIGEN E4 breast pump:
- Attach the diaphragm and the silicone valve to the breast shield.
- Push the assembled breast shield firmly into the pump motor until it seals well.
- Assemble the pump motor and milk collector to ensure secure installation.
- Push the flange into the Breast Shield, making sure it's aligned and assembled in place.

Image: A visual guide detailing the four-step installation procedure for the HORIGEN E4 breast pump components.
Flange Sizing
Proper flange sizing is crucial for comfort and milk output. Use the included flange size ruler to determine your correct nipple diameter. The pump comes with 4 sizes (15/17/21/25mm) to ensure a snug fit and prevent milk leakage.

Image: An illustrated guide demonstrating how to measure nipple size and select the appropriate flange insert for optimal fit and comfort.
Operation
Pumping Modes and Levels
The HORIGEN E4 breast pump offers 3 distinct modes and 9 adjustable levels to customize your pumping experience and maximize milk efficiency:
- Stimulation Mode: Mimics a baby's quick sucking pattern to stimulate milk let-down and increase milk output.
- Expression Mode: Provides deep and slow suction for efficient milk expression.
- Mixed Mode: Combines stimulation and expression patterns (e.g., 5 times stimulation plus 5 times expression) for an ideal pumping rhythm.

Image: A visual representation of the three pumping modes (Stimulation, Expression, Mixed) and the nine adjustable levels available on the HORIGEN E4 breast pump.
APP Control and Tracking
Control your HORIGEN E4 breast pump conveniently via the "HORIGEN" mobile application. The app allows you to:
- Switch between different pumping modes and adjust intensity levels.
- Record and track the amount of breastmilk expressed during each session.
- Personalize your mood and supply records.
- Update your baby's height/weight data monthly to track growth trends.
Video: A demonstration of the HORIGEN mobile application, showing how to connect to the wearable breast pump and control its settings remotely.

Image: Screenshots from the HORIGEN app illustrating the process of tracking pumping and feeding records, including viewing statistics.

Image: Screenshots from the HORIGEN app demonstrating the "Growth Journal" feature, where users can update and track their baby's height and weight data.
Cleaning and Maintenance
Regular cleaning and proper maintenance are essential for the hygiene and longevity of your breast pump. Only the silicone flange, milk collector, diaphragm, and duckbill valve are washable parts.
Cleaning Instructions
- Rinse the washable parts with water immediately after use.
- Wash with dishwashing soap and warm water (approximately 86°F / 30°C).
- Rinse the parts thoroughly with clean water or place them on the top rack of a dishwasher.
Sterilization Tips
- Sterilize with boiling water for a maximum of 5 minutes.
- Alternatively, use a steam sterilizer or cold water sterilizing solution.
- After cleaning and sterilization, dry parts with a clean cloth or place them on a rack to air dry completely.

Image: A visual representation of the breast pump's washable parts being cleaned, emphasizing ease of cleaning by hand or dishwasher.
How to Pour Milk
After pumping, follow these steps to safely transfer collected milk:
- Turn off the breast pump.
- Remove the motor from the milk collector.
- Unscrew the breast shield to detach it from the milk collector.
- Carefully pour the milk into a storage bag or bottle.

Image: A four-step visual guide demonstrating the procedure for safely pouring expressed milk from the collector into a separate container.
Troubleshooting
If you encounter issues with your HORIGEN E4 breast pump, consider the following common solutions:
- No Suction or Weak Suction:
- Ensure all parts are correctly assembled and securely sealed. A common issue is the diaphragm or silicone valve not being properly seated.
- Check for any damage to the silicone parts (flange, diaphragm, valve) that might compromise the seal.
- Verify the pump motor is fully charged.
- Confirm the correct flange size is being used for optimal fit.
- Milk Leakage:
- Ensure the milk collector is securely attached to the pump motor and the breast shield.
- Check that the flange is properly aligned and sealed against the breast.
- Avoid bending over excessively while pumping, as this can cause spillage.
- Pump Not Turning On:
- Ensure the pump is fully charged.
- Press and hold the power button for a few seconds to activate.
- App Connectivity Issues:
- Ensure the pump is turned on before attempting to connect via the app.
- Check your phone's Bluetooth settings and ensure it's enabled.
- Restart both the pump and the app.
For persistent issues, please refer to the detailed troubleshooting section in the full manual or contact HORIGEN customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | HNR-US-2249BS1 |
| Brand | HORIGEN |
| Modes | 3 (Stimulation, Expression, Mixed) |
| Levels | 9 per mode |
| Flange Sizes Included | 15mm, 17mm, 21mm, 25mm |
| Milk Collector Capacity | 180ml (approx. 6 oz) |
| Battery Capacity | 1300 mAh |
| Usage Time (Full Charge) | Up to 2 hours (6-7 sessions) |
| Noise Level | < 50 decibels |
| Weight | 0.55 lbs (per pump) |
| Material | Plastic (Food-grade, BPA-free) |
| Control | On-device buttons & "HORIGEN" APP |
Warranty and Support
For warranty information, product support, or any inquiries not covered in this manual, please contact HORIGEN customer service. Keep your purchase receipt as proof of purchase for warranty claims.
You can find contact details on the official HORIGEN website or through the retailer where you purchased the product.





