Introduction
The NCVI Wearable Hands-Free Breast Pump AM8111 is designed to provide a comfortable and efficient pumping experience for mothers. Featuring 4 smart modes and 9 suction levels, it adapts to individual needs, aiming to reduce discomfort and support optimal milk output. Its ultra-quiet operation (under 42dB) allows for discreet use anytime, anywhere. Powered by a 1400mAh battery, it offers up to 150 minutes of use on a single charge, making it ideal for on-the-go mothers. The pump includes 24mm flanges and 21mm inserts for a better fit and features a closed system design to prevent backflow and leakage. All components are made from BPA-free, food-grade silicone for safety and peace of mind.
Important Safety Information
Please read this instruction manual thoroughly before using the NCVI Wearable Hands-Free Breast Pump. Keep this manual for future reference.
- Always inspect all pump components before each use for any damage or wear. Replace damaged parts immediately.
- Ensure all parts are clean and sterilized according to the cleaning instructions before first use and after each subsequent use.
- Do not immerse the motor unit in water or other liquids.
- Use only the charging cable provided with the pump.
- Keep the pump and its accessories out of reach of children. This is not a toy.
- If you experience pain or discomfort during pumping, stop immediately and consult a healthcare professional.
- Do not use the pump while sleeping or in a drowsy state.
Product Components
The NCVI Wearable Hands-Free Breast Pump AM8111 package includes the following items:


- Motor Unit (x2)
- 24mm Flange (x2)
- Milk Collector (x2)
- Diaphragm (x2)
- Valve (x2)
- 21mm Insert (x2)
- Milk Storage Bag (x10)
- Manual (x1)
- Size Ruler (x1)
- Charging Cable (x2)
- Bra Extender (x2)
Setup and Assembly
Follow these steps to assemble your NCVI Wearable Hands-Free Breast Pump:
- Push the duckbill valve firmly into the milk collector.
- Place the silicone diaphragm into the milk collector, ensuring it is securely seated.
- Install the flange onto the milk collector. Make sure the flange cut aligns with the milk collector cut.
- Press the edge of the flange to seal it tightly with the milk collector, ensuring no air leaks.
- Attach the motor unit to the assembled milk collector, ensuring a secure fit.
- If a smaller flange size is needed, insert the 21mm flange insert into the 24mm flange.

Video: Detailed instructions on how to assemble the NCVI breast pump model 8111.
Operating Instructions
Powering On and Mode Selection
The pump features 4 modes and 9 levels of suction. Press the power button to turn on the pump. Use the 'M' button to cycle through the modes and the '+' and '-' buttons to adjust suction intensity.


- Suck Simulation Mode: Simulates a baby's natural sucking to initiate milk flow.
- Expression Mode: Strong and deep suction to efficiently express milk.
- Massage Mode: Gentle stimulation to encourage milk let-down.
- Multitronic Suction Mode: Variable frequency for efficient milk extraction.
Tip: Experiment with different modes and suction levels to find what is most comfortable and effective for you.
Charging the Pump
The pump is equipped with a 1400mAh battery, providing approximately 150 minutes (5-6 sessions) of use on a single charge. It features a 30-minute auto-off function.
- To charge, turn off the motor unit.
- Connect the provided USB charging cable to the pump and a 5V 1A adapter.
- The indicator lights will show charging status.

Wearing and Discreet Pumping
The compact design allows for hands-free and discreet pumping. Simply place the assembled pump inside your bra.


With a sound level under 42dB, the pump is designed to be ultra-quiet, allowing you to pump without disturbance, whether at home, at work, or during the night.
Choosing the Right Flange Size
Proper flange sizing is crucial for comfort and effective milk expression. The NCVI pump includes 24mm flanges and 21mm inserts to help you find the best fit.

Use the provided size ruler to measure your nipple diameter (in mm) from base to base after stimulating your nipple until it perks up. Refer to the chart to determine the appropriate flange size. A correct fit ensures efficient milk flow and prevents discomfort.
Transferring Milk
After your pumping session, follow these steps to safely transfer your expressed milk:
- Turn off the pump.
- Carefully remove the motor unit and silicone diaphragm from the milk collector.
- Hold the milk collector with the flange facing up.
- Pour the milk from the pouring port of the milk collector into a storage bottle or bag.

Video: Demonstration of milk transfer from the NCVI Wearable Breast Pump 8111.
Cleaning and Maintenance
Regular cleaning and maintenance are essential for hygiene and optimal pump performance. The pump is designed for easy disassembly and cleaning.

- Disassemble all parts that come into contact with milk.
- Wash all disassembled parts (except the motor unit) with warm soapy water.
- Rinse thoroughly with clean water.
- Sterilize parts as recommended by your healthcare provider or local guidelines (e.g., boiling, steam sterilizer).
- Ensure all accessories are completely dry before reassembling. Residual moisture may damage the main unit or reduce suction power.
- Wipe the motor unit with a clean, damp cloth. Do not submerge it in water.
Troubleshooting
If you encounter issues with your NCVI Wearable Hands-Free Breast Pump, please refer to the following common troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| No suction or weak suction | Improper assembly; damaged valve/diaphragm; low battery | Ensure all parts are correctly assembled and sealed. Check for tears or damage in the valve or diaphragm and replace if necessary. Charge the pump fully. |
| Milk leakage | Improper assembly; overfilling the milk collector | Verify all connections are secure and sealed. Do not fill the milk collector beyond its maximum capacity (6 ounces). |
| Pump not turning on | Low battery; power button not pressed correctly | Charge the pump fully. Press and hold the power button for a few seconds. |
| Discomfort during pumping | Incorrect flange size; suction level too high | Check your flange size using the provided ruler and adjust if needed. Reduce the suction level or switch to a gentler mode. |
If the problem persists after trying these solutions, please contact NCVI customer support for further assistance.
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | AM8111 |
| Product Dimensions | 7.44 x 5.67 x 5.67 inches |
| Weight | 1.83 Pounds |
| Battery Capacity | 1400mAh (up to 150 minutes / 5-6 sessions) |
| Modes | 4 (Suck Simulation, Expression, Massage, Multitronic Suction) |
| Suction Levels | 9 levels |
| Negative Pressure Range | -30 to -285mmHg |
| Noise Level | <42dB |
| Capacity | 6 ounces per collector |
| Material Type | Polypropylene, BPA Free Silicone |
| Included Components | Charging Cable, Flange and Insert |
| Auto-off Function | 30 minutes |
Warranty and Support
NCVI products are manufactured with quality and care. For specific warranty details, please refer to the warranty description included in your product packaging or contact NCVI customer support. If you have any questions, concerns, or require assistance with your breast pump, please reach out to our customer service team. Contact information can typically be found on the product packaging or the official NCVI website.