1. Introduction
Thank you for choosing the GRIFEMA GC4002 USB-C Rechargeable Milk Frother. This device is designed to create rich, creamy foam for your coffee, lattes, cappuccinos, matcha, and other beverages. Please read this manual carefully before use to ensure proper operation and maintenance.

Image: The GRIFEMA milk frother being used to create foam in a glass of milk, demonstrating its application in a home setting.
2. Safety Instructions
To prevent injury or damage, always follow these basic safety precautions:
- Keep the frother away from children.
- Do not immerse the main body (handle) of the frother in water or other liquids. Only the whisk head is washable.
- Do not operate the frother if it has been damaged in any way.
- Use only the provided USB-C cable for charging.
- Avoid touching the whisk head while it is operating.
- Store the frother in a dry place when not in use.
3. Package Contents
- GRIFEMA Milk Frother (Main Unit with Whisk Head)
- USB-C Charging Cable
4. Product Overview
Familiarize yourself with the components of your GRIFEMA Milk Frother:
- ON/OFF Button: Located at the top of the handle. Press and hold to operate.
- Ergonomic Handle: Designed for comfortable grip.
- High-Speed Whisk Head: Made of food-grade stainless steel for efficient frothing.
- USB-C Charging Port: Located at the bottom of the handle for convenient recharging.

Image: Close-up of the frother highlighting its key features: the ON/OFF button, the whisk, the ergonomic handle, and the USB-C charging port.
5. Setup and Charging
Initial Charge:
Before first use, fully charge the frother. Connect the provided USB-C cable to the charging port at the bottom of the handle and plug the other end into a compatible USB power source (e.g., wall adapter, computer USB port). A full charge takes approximately 2 hours.

Image: The frother's USB-C port with the charging cable inserted, illustrating the charging process.
6. Operating Instructions
Follow these steps to froth your desired beverage:
- Pour your milk (cold or warm) or other liquid into a cup or container. For best results with milk, ensure it is not overfilled, allowing space for foam expansion.
- Insert the whisk head into the liquid, ensuring it is submerged but not touching the bottom of the container.
- Press and hold the ON/OFF button located at the top of the handle. The whisk will start rotating at 13000 RPM.
- Move the frother gently up and down in the liquid for 15-20 seconds, or until the desired foam consistency is achieved.
- Release the ON/OFF button to stop the frother.
- Enjoy your frothed beverage.

Image: The frother's whisk head in action, demonstrating its 13000 RPM powerful motor creating rich foam.
Versatile Use:
The GRIFEMA Milk Frother is suitable for various applications beyond milk frothing, including mixing coffee, hot chocolate, protein shakes, matcha, and other powdered beverages.

Image: A collection of beverages like lattes, cappuccinos, and matcha, illustrating the wide range of drinks that can be prepared with the frother.
7. Cleaning and Maintenance
Proper cleaning ensures the longevity and hygiene of your frother:
- After each use, immediately rinse the whisk head under running water.
- Alternatively, place the whisk head in a glass of clean water and briefly activate the frother for 5 seconds to clean it.
- Important: Do not submerge the main body (handle) of the frother in water. Wipe the handle with a damp cloth if necessary.
- Ensure the frother is completely dry before storing.

Image: Visual guide demonstrating how to clean the frother's whisk head by rinsing under a tap or by operating it in a glass of water, emphasizing not to wet the handle.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Frother does not turn on. | Battery is depleted. | Charge the frother using the USB-C cable. |
| Frother does not froth effectively. | Low battery; insufficient liquid; whisk head is dirty or damaged. | Ensure the frother is fully charged. Use an appropriate amount of liquid. Clean the whisk head thoroughly. If damaged, contact support. |
| Frother stops unexpectedly. | Battery is low. | Recharge the frother. |
9. Specifications
- Model Number: GC4002
- Brand: GRIFEMA
- Material: ABS Handle, Stainless Steel Foamer
- Rotation Speed: 13000 RPM
- Battery: 500 mAh Lithium Battery (integrated)
- Charging Time: Approximately 2 hours (via USB-C)
- Dimensions: 225mm (8.86") length, 34mm (1.34") diameter
- Net Weight: 113g
- Color: Black

Image: A technical drawing of the frother with its key dimensions (length and diameter) and net weight indicated.
10. Warranty and Support
GRIFEMA products are manufactured to high-quality standards. For any questions, concerns, or warranty claims, please contact GRIFEMA customer support through the retailer where the product was purchased. Please retain your proof of purchase.