Introduction
Thank you for choosing the Naroote Portable Bottle Warmer. This device is designed to warm various liquids such as milk, water, coffee, or other beverages to a desired temperature, offering convenience for use at home or while traveling. Please read this manual thoroughly before use to ensure proper operation and safety.
Safety Information
- Read all instructions carefully before using the product.
- Do not immerse the warmer in water or any other liquid.
- Ensure the USB power source is appropriate (5V/2A recommended) and stable.
- Always check the liquid temperature before feeding to prevent burns.
- Keep the device out of reach of children.
- Unplug the warmer from the power source when not in use or before cleaning.
- Do not attempt to disassemble or repair the device yourself. Contact customer support if service is required.
- This product does not contain an internal battery and requires continuous connection to an external USB power supply for operation.
Package Contents
Please check the package for the following items:
- 1 x Baby Bottle Insulation Cover (Portable Bottle Warmer)
- 1 x USB Cable
Product Overview
The Naroote Portable Bottle Warmer features a compact design with an intelligent temperature control system.
Features:
- 21 Precise Temperature Levels: Allows adjustment from approximately 40°C to 60°C.
- LED Display: Shows the current temperature setting.
- USB Powered: Compatible with various USB power sources for convenience.
- Premium Material: Made from faux leather, lint, and silicone for even heat preservation and durability.
- Wide Compatibility: Suitable for most bottle sizes and various beverages.
Components:
- Insulation Cover
- Control Panel (with LED display, power button, temperature adjustment buttons)
- USB Power Port

Image: The portable bottle warmer with a bottle inserted, displaying its LED screen and USB connection point. The screen shows '45', indicating a temperature setting.

Image: A detailed view of the warmer's control panel, featuring an LED display and power button, integrated into the side of the blue insulation cover.
Setup
Follow these steps to set up your portable bottle warmer:
- Unpack: Carefully remove all components from the packaging.
- Clean: Wipe the exterior of the warmer with a damp cloth before first use. Ensure it is dry.
- Insert Bottle: Place the bottle containing the liquid you wish to warm into the insulation cover. Ensure the bottle fits snugly.
- Connect Power: Connect the provided USB cable to the warmer's USB port. Then, connect the other end of the USB cable to a suitable USB power source (e.g., power bank, car charger, wall adapter).

Image: An illustration demonstrating compatible USB power sources for the warmer, including a standard power plug, a car charger, and a mobile power bank. A USB cable is shown below the illustrations.
Operating Instructions
Once set up, operate the warmer as follows:
- Power On: With the warmer connected to a power source and a bottle inside, press and hold the power button on the control panel to turn the device on. The LED display will illuminate.
- Adjust Temperature: Use the temperature adjustment buttons (usually indicated by '+' and '-' or similar symbols) to select your desired temperature. The warmer offers 21 precise temperature levels, ranging from approximately 40°C to 60°C. The selected temperature will be shown on the LED display.
- Heating Process: The warmer will begin heating the liquid to the set temperature. The LED display will show the current temperature as it rises.
- Maintain Temperature: Once the desired temperature is reached, the warmer will maintain it.
- Check Temperature: Always verify the liquid's temperature before feeding by testing a small amount on your wrist.
- Power Off: To turn off the warmer, press and hold the power button again. Disconnect the USB cable from the power source when not in use.
Maintenance
Proper maintenance ensures the longevity and hygiene of your bottle warmer:
- Cleaning: Before cleaning, always unplug the warmer from the power source. Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals.
- Do Not Immerse: Never immerse the warmer in water or place it under running water.
- Drying: Ensure the warmer is completely dry before storing or reconnecting to power.
- Storage: Store the warmer in a cool, dry place away from direct sunlight and moisture when not in use.

Image: A view of the warmer's interior, highlighting the insulated bottom and the soft, durable fabric designed for heat preservation.
Troubleshooting
If you encounter issues with your Naroote Portable Bottle Warmer, refer to the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Warmer does not turn on. | No power or loose connection. | Ensure USB cable is securely connected to both the warmer and a working power source. Try a different USB port or power adapter. |
| Liquid is not heating. | Incorrect temperature setting or insufficient power. | Verify the temperature setting on the LED display. Ensure the power source provides adequate output (5V/2A recommended). |
| Temperature displayed seems inaccurate. | Initial heating phase or bottle not properly seated. | Allow sufficient time for the warmer to stabilize the temperature. Ensure the bottle is fully inserted and making good contact with the heating element. |
Specifications
| Model: | B0DJ7SKVC8 |
| Material: | Faux Leather, Lint, Silicone |
| Unfold Size: | Approx. 30 x 14 cm (11.8 x 5.5 in) |
| Inner Diameter: | Approx. 7.5 cm (3.0 in) |
| Foldable Size (Height): | Approx. 14 cm (5.5 in) |
| Foldable Size (Bottom Outer Diameter): | Approx. 8.5 cm (3.3 in) |
| Temperature Levels: | 21 Levels (Approx. 40-60℃) |
| Power Input: | USB (5V/2A recommended) |
| Color: | Blue |
Warranty and Support
For warranty information or technical support, please refer to the purchase documentation or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty claims.