Introduction
This manual provides detailed instructions for the safe and effective use of your NCVI Wearable Hands-Free Breast Pump. Please read all instructions carefully before first use and retain this manual for future reference. The NCVI breast pump is designed to assist mothers with milk expression in a discreet and convenient manner.
Safety Information
- Always inspect all pump components before each use for any damage or wear. Replace damaged parts immediately.
- Ensure all parts are clean and dry before assembly and use to prevent contamination.
- Do not immerse the motor unit in water or other liquids.
- Keep the device out of reach of children.
- Use only the provided charging cables and power adapters.
- Discontinue use and consult a healthcare professional if you experience pain or discomfort during pumping.
What's in the Box
Your NCVI Wearable Hands-Free Breast Pump package includes the following components:
- 2 x Breast Pumps (Motor Unit + Milk Collector)
- 2 x 21mm Flange Inserts
- 2 x Bra Adjustment Buckles
- 1 x User Manual
- 2 x Charging Cables
- 10 x Breast Milk Storage Bags

Image: All components included in the NCVI Wearable Hands-Free Breast Pump package, laid out for clear identification.
Assembly
Follow these steps to assemble your breast pump before first use:
- Install the duckbill valve onto the milk collector. Ensure it is securely seated.
- Place the silicone diaphragm into the milk collector, ensuring a tight seal around the edges.
- Insert the flange into the milk collector.
- Press the edge of the flange firmly to ensure no air leaks.
- Install the motor unit onto the assembled milk collector, aligning the connection points.

Image: Visual guide demonstrating the five steps to assemble the breast pump components.
Flange Sizing
Correct flange sizing is crucial for comfortable and efficient milk expression. Use the provided guide to determine your ideal flange size:
- 19mm Flange: For nipple diameters up to 15-17mm.
- 21mm Flange: For nipple diameters up to 17-19mm (includes 21mm inserts).
- 24mm Flange: For nipple diameters up to 20-22mm.

Image: Diagram illustrating how to measure nipple diameter and select the appropriate flange size for optimal fit.
Setup
Initial Charging
Before first use, fully charge the breast pump motor unit. Connect the provided Type-C USB charging cable to the pump and a suitable power source. The indicator lights will show the battery level during charging.

Image: Close-up of the pump's control panel showing indicator lights for mode, suction level, and battery status during charging.
Preparing for Use
After assembly and charging, ensure the pump is clean and dry. Place the assembled pump inside your nursing bra, ensuring the flange is centered on your nipple. The bra adjustment buckles can be used to ensure a snug and comfortable fit.

Image: A woman wearing the NCVI wearable breast pump, demonstrating its discreet and hands-free design.
Operating Instructions
Control Panel Overview

Image: Diagram of the pump's control panel, labeling the On/Off button, Mode Switch, Level Up/Down buttons, and indicator lights for modes and suction levels.
Power On/Off
Press and hold the Power button (U) to turn the pump on or off.
Mode Selection
Press the Mode Switch button (M) to cycle through the four available modes:
- Suck Simulate Mode: Simulates a baby's natural sucking rhythm to initiate milk flow.
- Express Mode: Provides strong and deep suction for efficient milk expression.
- Massage Mode: Offers fast and gentle stimulation to encourage let-down.
- Multitronic Suction Mode: Features variable frequency for efficient pumping.

Image: Visual representation of the four pumping modes and their corresponding suction patterns.
Suction Level Adjustment
Use the '+' and '-' buttons to adjust the suction intensity. Each mode has 9 adjustable suction levels.
Recommended Pumping Combinations
| Mode Combination | Purpose |
|---|---|
| 2 Mins ≈ Massage Mode → Suck Simulate Mode | Gently Express Breastmilk |
| 2 Mins ≈ Massage Mode → Express Mode | Pain-Free Pumping |
| 2 Mins ≈ Multitronic Mode → Express Mode | Fast Empty Breastmilk |
| Multitronic Mode → Express Mode | Most Stimulation and Max Suction |
Image: Table outlining suggested mode combinations for different pumping goals.
Pouring Breast Milk
To transfer expressed milk:
- Turn off the pump (flange facing up).
- Carefully remove the motor unit from the milk collector.
- Pour breast milk out through the designated spout into a storage bag or bottle.

Image: Three-step visual guide for safely pouring expressed breast milk from the collector.
Cleaning and Maintenance
Proper cleaning and maintenance are essential for hygiene and pump longevity.
Disassembly for Cleaning
Separate all components that come into contact with breast milk: milk collector, flange, silicone diaphragm, and duckbill valve.
Cleaning Steps
- Wash all disassembled parts (except the motor unit) in warm, soapy water.
- Rinse thoroughly with clean water.
- Sterilize parts as recommended by your healthcare provider or local guidelines (e.g., boiling, steam sterilizer).
- Allow all accessories to air dry completely before reassembly. Note: Accessories need to be completely dry after cleaning before use; otherwise, it may damage the host or affect suction power.

Image: A woman washing breast pump components in a kitchen sink, emphasizing the importance of cleanliness.
Anti-Backflow Design
The pump features an anti-backflow design with a silicone diaphragm and duckbill valve to prevent milk from flowing back into the motor unit, ensuring hygiene and pump integrity.

Image: Diagram illustrating the anti-backflow system, highlighting the silicone diaphragm and duckbill valve.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No suction or weak suction | Improper assembly, damaged parts, low battery | Check all connections for proper assembly. Inspect silicone diaphragm and duckbill valve for tears or damage. Ensure pump is fully charged. |
| Pump not turning on | Low battery, power button issue | Charge the pump fully. Ensure the power button is pressed and held correctly. |
| Milk leaking from pump | Improper assembly, damaged parts, overfilling | Verify all parts are correctly assembled and sealed. Check for damage to the milk collector or flange. Do not overfill the milk collector. |
| Discomfort during pumping | Incorrect flange size, high suction level | Re-evaluate flange size using the sizing guide. Reduce suction level to a comfortable setting. Try a different pumping mode. |
Specifications
- Model Number: AM8111
- Material: Polypropylene
- Color: Pink
- Number of Items: 2 (Pack)
- Special Feature: Low Noise
- Battery: 2 A batteries required (included) - Note: This likely refers to internal rechargeable batteries, not disposable A batteries, based on product description.
- Battery Life: Approximately 150 minutes or 3-4 pumping sessions on a full charge.
- Capacity: 150ML / 5OZ per pump.
- Package Dimensions: 7.32 x 5.79 x 5.63 inches
- Item Weight: 10.58 ounces
Official Product Videos
Comfortable & Effective Pumping with NCVI 8111 Breast Pump
Video: This video demonstrates the comfortable and effective pumping experience with the NCVI 8111 breast pump, highlighting its hands-free design and ease of use.
NCVI 8111, The Pump That Fits Your Life
Video: A short video showcasing how the NCVI 8111 breast pump integrates seamlessly into a busy lifestyle, offering flexibility and convenience.
My experience with ncvi breast pump 8111
Video: A user shares their personal experience with the NCVI 8111 breast pump, detailing its features and benefits from a practical perspective.
Actual User-experience of NCVI Breast Pump 8111
Video: This video provides an actual user's perspective on the NCVI 8111 breast pump, demonstrating its functionality and real-world application.
Warranty and Support
For warranty information and customer support, please refer to the official NCVI website or contact their customer service directly. Keep your purchase receipt as proof of purchase.