1. Introduction
The Uiifuidy Portable Coffee Maker Model WY-007 is a versatile 3-in-1 electric espresso machine designed for convenience and portability. It features a self-heating function, 20 BAR pressure extraction, and compatibility with coffee grounds, NS (Nespresso Original Line) capsules, and DG (Dolce Gusto) capsules. This manual provides instructions for safe and effective use of your coffee maker.

Image 1.1: The Uiifuidy Portable Coffee Maker, highlighting its self-heating capability to reach 92°C in 180-200 seconds.
2. Setup
2.1 Unboxing and Initial Charge
Upon unboxing, ensure all components are present: the portable coffee maker unit, USB charging cable, carrying case, coffee stand, and user manual. Before first use, fully charge the device using the provided USB cable. The battery indicator lights will show charging progress.
2.2 Component Assembly
The coffee maker consists of several detachable parts for different coffee types. Familiarize yourself with the water tank, coffee basket (for grounds), capsule adapters (for NS and DG capsules), and the coffee cup.

Image 2.1: Overview of the portable coffee maker and its included accessories, such as the carrying case and coffee stand.
2.3 Initial Cleaning
Before first use, clean all detachable parts that will come into contact with water or coffee using warm water and mild soap. Rinse thoroughly and dry.
Video 2.1: A detailed demonstration of the portable espresso maker, including its components and initial setup steps.
3. Operation
3.1 General Operation
The device operates with a single button. A long press initiates the self-heating function for hot coffee. A double click initiates direct extraction for cold brew or if pre-heated water is used.
3.2 Using with Coffee Grounds
- Unscrew the bottom section and insert the coffee grounds basket.
- Fill the basket with fine-ground coffee. Do not overfill.
- Screw the bottom section back onto the main unit.
- Fill the water tank with water (cold for self-heating, hot for direct extraction).
- Place the unit on the coffee stand with a cup underneath.
- Press the power button according to your desired extraction method.
3.3 Using with NS/DG Capsules
- Unscrew the bottom section and insert the appropriate capsule adapter (NS or DG).
- Place the capsule into the adapter.
- Screw the bottom section back onto the main unit.
- Fill the water tank with water (cold for self-heating, hot for direct extraction).
- Place the unit on the coffee stand with a cup underneath.
- Press the power button according to your desired extraction method.

Image 3.1: The coffee maker's compatibility with DG capsules, NS Original capsules, and fine ground coffee.
3.4 Hot Extraction (Self-Heating)
Fill the water tank with room-temperature water. Long press the power button. The device will heat the water to approximately 92°C (197.6°F) in about 3 minutes before extracting the coffee. This process is suitable for 1.7oz (50ml) of water.
3.5 Cold Extraction
Fill the water tank with cold water. Double click the power button. The device will extract coffee directly without heating. This method is ideal for cold brew or when using pre-heated water.

Image 3.2: Visual representation of both hot extraction (self-heating to 92°C) and cold extraction (direct extraction with room temperature water).
3.6 20 BAR Pressure Extraction
The machine utilizes 20 BAR of pressure to ensure optimal extraction, producing a rich espresso with a consistent crema. This pressure is applied during both hot and cold extraction processes.

Image 3.3: Illustration of the 20 BAR high-pressure extraction, designed to produce rich flavor and silky coffee taste.
Video 3.1: A comprehensive guide demonstrating the operation of the portable coffee maker for various coffee types.
4. Maintenance
4.1 Cleaning
Regular cleaning is essential for optimal performance and hygiene. All parts that come into contact with coffee or water are BPA-free and designed for easy cleaning.
- After each use, disassemble the coffee maker and rinse the coffee basket/capsule adapter, water tank, and coffee cup with warm water.
- Use a soft brush or sponge to remove any coffee residue.
- Do not immerse the main electronic unit in water. Wipe it with a damp cloth.
- Ensure all parts are completely dry before reassembling or storing.
4.2 Charging the Battery
The device is powered by a 7800mAh rechargeable battery. Connect the provided USB cable to the charging port on the unit and to a compatible USB power source (e.g., wall adapter, power bank, car charger). The battery indicator lights will illuminate during charging and turn off when fully charged. A full charge allows for approximately 5-6 hot coffees (using room temperature water) or over 300 extractions with pre-heated water.

Image 4.1: Information on the 7800mAh rechargeable battery and various charging methods (car, power bank, wall charger).
5. Troubleshooting
If you encounter issues with your Uiifuidy Portable Coffee Maker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on or operate. | Low battery; improper assembly. | Charge the battery fully. Ensure all parts are correctly assembled and tightened. |
| Coffee is weak or watery. | Insufficient coffee grounds; coarse grind; incorrect water temperature. | Use recommended amount of fine-ground coffee. Ensure water is heated sufficiently for hot extraction. |
| Liquid leaks from the sides. | Parts not sealed correctly; damaged seal. | Ensure all sections are tightly screwed together. Check rubber seals for damage and replace if necessary. |
| Heating takes too long or doesn't reach temperature. | Low battery; very cold water; device malfunction. | Ensure battery is fully charged. Use room temperature water for optimal heating time. If problem persists, contact support. |
| Capsule not breaking or extracting. | Incorrect capsule type; capsule not seated properly. | Ensure you are using compatible NS Original Line or DG capsules. Verify the capsule is correctly inserted into its adapter. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Uiifuidy |
| Model Name | WY-007 |
| Capacity | 50 ml (1.7 oz) |
| Product Dimensions | 2.95"D x 2.95"W x 8.85"H |
| Item Weight | 1.8 pounds |
| Special Features | 3-in-1, Auto Shut-Off, Fast Self-Heating, Portable, Single Cup Brew |
| Coffee Maker Type | Espresso Machine |
| Operation Mode | Fully Automatic |
| Wattage | 140 watts |
| Voltage | 12 volts |
| Output Pressure | 20 bar |
| Coffee Input Type | DG Capsule, Ground coffee, NS Capsule |
| Power Source | Battery Powered (7800mAh) |
| Material | Plastic, Stainless Steel |
| Included Components | Cable, Carrying Case, Coffee Stand, Portable Coffee Maker, User Manual |
7. Warranty Information
The Uiifuidy Portable Coffee Maker Model WY-007 comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual. Please retain your proof of purchase for warranty claims.
8. Customer Support
For any questions, technical assistance, or warranty claims, please contact Uiifuidy customer support. Refer to the contact information provided with your product packaging or visit the official Uiifuidy website for the most up-to-date support details.
When contacting support, please have your product model number (WY-007) and proof of purchase readily available.