OTEEIDA MY-375
OTEEIDA MY-375 Wearable Breast Pump User Manual
Model: MY-375 | Brand: OTEEIDA
1. Introduction
Thank you for choosing the OTEEIDA MY-375 Wearable Breast Pump. This hands-free electric breast pump is designed for comfort and efficiency, allowing mothers to pump discreetly and conveniently. It features strong suction, low noise operation, and multiple modes and levels to customize your pumping experience. Please read this manual thoroughly before first use to ensure proper operation and maintenance.
2. Important Safety Information
Always follow basic safety precautions when using electrical products, especially when children are present. This product is intended for personal use only. Do not use this product for any purpose other than its intended use as described in this manual.
Legal Disclaimer: Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. This product is not a medical device and should not be used as a substitute for professional medical advice.
Ensure all components are clean and dry before assembly and use. Do not immerse the pump motor in water. Keep out of reach of children.
3. Product Components
The OTEEIDA MY-375 Wearable Breast Pump package includes the following components:

Figure 3.1: Complete set of OTEEIDA MY-375 Wearable Breast Pump components.
- Pump Motor (x2)
- Silicone Diaphragm (x2)
- Connector (x2)
- Duckbill Valve (x4)
- Milk Collector (x2)
- 17mm Flange Insert (x2)
- 21mm Flange Insert (x2)
- 19mm Flange Insert (x2)
- Silicone Plug (x4)
- Bra Adjustment Buckles (x2)
- Breastmilk Storage Bag (x10)
- USB Type-C Cable (x2)
- Nipple Ruler (x1)
- User Manual (x1)
- Storage Bag (x1)
- 24mm Flange (x2)
4. Setup and Assembly
Before first use, sterilize all components that come into contact with breast milk (milk collector, flanges, connectors, duckbill valves, silicone diaphragms, silicone plugs) by boiling them in water for approximately 3 minutes. Ensure they are completely dry before assembly.
Video 4.1: OTEEIDA MY-375 Wearable Breast Pump Use Guide, demonstrating assembly and usage.
Assembly Steps:
- Place the silicone diaphragm into the connector, ensuring a secure fit.
- Install the duckbill valve onto the connector.
- Place the assembled breast pump connector into the milk collector.
- Gently push the flange (or chosen flange insert) into the milk collector without any gaps. Ensure it is pressed firmly.
- Insert the silicone plug into the milk collector so that its surface is flush.
- Assemble the pump motor and milk collector without gaps, ensuring they click securely into place.

Figure 4.1: Step-by-step assembly guide for the breast pump.
Flange Sizing:
The pump comes with a 24mm flange and includes 17mm, 19mm, and 21mm inserts to fit various nipple sizes. Use the included nipple ruler to determine your correct flange size for optimal comfort and milk expression.

Figure 4.2: Guide to selecting the correct flange size.
5. Operating Instructions
Charging the Pump:
Before first use, fully charge the pump motor using the provided USB Type-C cable. The large LED display will indicate the battery level. A full charge provides approximately 150 minutes of use or 6 pumping sessions.

Figure 5.1: Charging the pump motor.
Wearing the Pump:
Once assembled, place the breast pump inside your nursing bra, ensuring the flange is centered on your nipple. The pump's design allows for discreet and hands-free pumping.

Figure 5.2: Discreet and hands-free pumping.
Pumping Modes and Levels:
The OTEEIDA MY-375 features 4 modes and 12 adjustable levels to simulate a baby's natural sucking action and optimize milk expression. The LED display shows the current mode and intensity level.

Figure 5.3: Four pumping modes and twelve levels for customized comfort.
- Massage Mode: Gentle stimulation to initiate milk let-down.
- Frequency Conversion Mode: Alternating suction patterns to mimic baby's varying suckling.
- Breast Pumping Mode: Consistent suction for efficient milk expression.
- Automatic Mode: Combines different modes for a comprehensive pumping cycle.
Turn on the pump motor and start in massage mode 1. After getting used to it, you can adjust the pumping mode and find the level that suits you best. The pump remembers your last settings for convenience.
Low Noise Operation:
The pump operates at less than 40 decibels, ensuring a quiet pumping experience that won't disturb your baby or others around you.

Figure 5.4: Quiet operation for peaceful pumping.
6. Cleaning and Maintenance
Proper cleaning and maintenance are crucial for hygiene and the longevity of your breast pump. All components that come into contact with breast milk are detachable for thorough cleaning.
Cleaning Steps:
- Before cleaning, always remove the pump motor from the milk collector assembly. The pump motor should never be washed or sterilized.
- Disassemble all milk collection components: milk collector, flange, connector, duckbill valve, and silicone diaphragm.
- Wash all disassembled parts with warm soapy water immediately after each use. Use a soft brush to clean hard-to-reach areas.
- Rinse thoroughly with clean water.
- Sterilize the components by boiling them in water for approximately 3 minutes, or use a steam sterilizer.
- Allow all parts to air dry completely on a clean drying rack before reassembling or storing. Ensure no moisture remains to prevent mold or bacterial growth.

Figure 6.1: Disassembled components for easy cleaning.
Storage:
Store the clean and dry pump components in a clean, dry place away from direct sunlight and extreme temperatures. Use the provided storage bag for convenient and hygienic storage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No suction or weak suction |
|
|
| Pump not turning on |
|
|
| Milk leakage |
|
|
8. Product Specifications
| Feature | Detail |
|---|---|
| Model Number | MY-375 |
| Brand | OTEEIDA |
| Material | BPA-free Food-Grade Silicone |
| Suction Value | Max 350mmHg |
| Modes | 4 (Massage, Frequency Conversion, Breast Pumping, Automatic) |
| Levels | 12 |
| Noise Level | Less than 40 decibels |
| Milk Collector Capacity | 210 ml / 7 oz (Optimal 200 ml / 6.6 oz) |
| Battery Life | Approx. 150 minutes / 6 sessions per charge |
| Flange Sizes Included | 24mm (pump itself), with 17mm, 19mm, 21mm inserts |
| Product Dimensions | 10.43 x 6.69 x 3.74 inches |
| Weight | 1.98 Pounds (approx. 240 grams per pump) |
9. Warranty and Customer Support
OTEEIDA is committed to providing high-quality products. If you encounter any issues or have questions regarding your MY-375 Wearable Breast Pump, please contact our customer service team. We offer 24-hour customer service to ensure your satisfaction.
Please refer to your purchase documentation or the product packaging for specific warranty details and contact information.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.