1. Product Overview
The BFOUR BF-30 is a 100% wireless meat thermometer designed for precise temperature monitoring during cooking. It features a wireless probe, a main unit with a large LCD display, and connects to a smartphone app for remote monitoring.

Image: The BFOUR BF-30 wireless grill thermometer, showing the main unit, the wireless probe, and a smartphone displaying the companion app interface. This setup allows for convenient and accurate temperature monitoring.
Components:
- Wireless Probe: The sensor inserted into the food. Made of food-safe stainless steel, rust and corrosion resistant.
- Main Unit (Booster/Display): Receives data from the probe and displays current and preset temperatures on a large LCD screen.
- USB-C Charging Cable: For recharging the main unit and probe.
- User Manual: This document.

Image: A detailed view of the BFOUR BF-30 main unit's LCD display, highlighting the connection signal, alarm signal, current temperature, and preset temperature readings for clear monitoring.
2. Setup Guide
2.1 Charging the Device
The BFOUR BF-30 is equipped with a 500 mAh lithium-ion battery. Ensure both the probe and the main unit are charged before first use.
- Connect the provided USB-C charging cable to the main unit and a suitable power source.
- The probe charges intelligently when stored within the main unit.
- A full charge for the probe takes approximately 2 minutes, providing up to 60 hours of continuous operation.

Image: The BFOUR BF-30 main unit being charged via its USB-C port, illustrating the quick charging capability that provides extended battery life.
2.2 App Installation and Pairing
The BFOUR BF-30 uses the BF Home-app for remote monitoring and advanced features. The app is user-friendly and does not require registration or complex setup.
- Download the "BF Home-app" from your smartphone's app store (iOS or Android).
- Ensure Bluetooth is enabled on your smartphone.
- Turn on the BFOUR BF-30 main unit.
- Open the BF Home-app. The app will automatically search for and connect to the thermometer via Bluetooth.
- Once connected, the app will display the current temperature readings from the probe.

Image: Multiple smartphone screens displaying the BF Home-app, showcasing its features such as real-time temperature monitoring, preset cooking profiles for different meats, and customizable settings.
3. Operating Instructions
3.1 Inserting the Probe
Carefully insert the wireless probe into the thickest part of the meat, avoiding bones. Ensure the probe is fully inserted up to the handle to get an accurate internal temperature reading.

Image: The wireless probe correctly inserted into a large piece of meat cooking on a grill, demonstrating its 100% wireless design for unrestricted use.
3.2 Monitoring Temperature
You can monitor the cooking progress in two ways:
- On the Main Unit: The large LCD screen on the main unit displays real-time temperature changes, allowing you to quickly check the current and preset temperatures.
- Via the BF Home-app: The app provides comprehensive remote monitoring.
App Features:
- Pre-set Temperature Alerts: Choose from various pre-set temperatures for different types of meat and doneness levels.
- High and Low Temperature Alerts: Customize temperature ranges to receive notifications if the temperature goes above or below your desired range.
- Live Data Graphic Logging: View temperature trends over time with shareable graphs.
- Cooking History: The app can store over 50 cooking histories, allowing you to review past cooks.

Image: A user remotely monitoring their cooking process using the BF Home-app on a smartphone, with the BFOUR BF-30 thermometer positioned near an oven, illustrating the convenience of smart app control.
3.3 Usage Scenarios
The BFOUR BF-30 is versatile and ideal for various cooking methods, including:
- Ovens
- Air Fryers
- Rotisseries
- Grills
- BBQ Smokers
4. Maintenance
4.1 Cleaning
The BFOUR BF-30 features a water-resistant design, making it easy to clean and protecting it from water damage, thus extending its lifespan.
- After each use, allow the probe to cool down.
- Wipe the stainless steel probe with a damp cloth and mild detergent.
- Do not submerge the main unit in water. Wipe it clean with a damp cloth.
- Ensure all components are dry before storage.
4.2 Storage
The main unit features a built-in magnet for convenient storage on metallic surfaces, such as a refrigerator or grill side table. The probe charges intelligently when stored within the main unit.

Image: The BFOUR BF-30 main unit demonstrating its integrated magnet feature, shown attached to both a refrigerator and a grill, providing convenient and secure storage options.
5. Troubleshooting
If you encounter issues with your BFOUR BF-30 thermometer, please refer to the following common solutions:
- No Connection to App:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the thermometer's main unit is powered on and within range.
- Restart the BF Home-app and/or your smartphone's Bluetooth.
- Ensure the probe is correctly inserted into the main unit for charging and initial connection.
- Inaccurate Temperature Readings:
- Verify the probe is inserted into the thickest part of the meat, avoiding bones.
- Check if the probe tip is fully submerged in the food.
- Ensure the probe and main unit are clean and free of debris.
- Short Battery Life:
- Ensure the device is fully charged before use.
- Confirm the USB-C cable and power adapter are functioning correctly.
- The probe charges when stored in the main unit; ensure it is properly seated.
- Display Not Working:
- Check battery level and charge the main unit.
- Try turning the unit off and on again.
If these steps do not resolve the issue, please contact BFOUR customer support for further assistance.
6. Specifications
| Model Number | QQKD-BF30-G |
| Brand | BFOUR |
| Battery | 1 Lithium-polymer battery (500 mAh), included |
| Battery Life (Probe) | Up to 60 hours continuous operation (after 2-minute quick charge) |
| Package Dimensions | 15.4 x 10 x 2.9 cm |
| Weight | 160 g |
| Connectivity Technology | Bluetooth |
| Display Type | Digital LCD |
| Special Features | Wireless Probe, App Companion, Alarm, Waterproof, Rechargeable, Magnetic |
| Exterior Material | Metal (main unit), Food-safe Stainless Steel (probe), Zirconia (probe handle) |
| Color | Black |
| Compliance | CE, RoHS, WEEE |
7. Warranty and Support
BFOUR products are manufactured to high-quality standards. For any questions, technical support, or warranty claims, please contact BFOUR customer service through the retailer where the product was purchased or visit the official BFOUR website for contact information.
Please retain your proof of purchase for warranty purposes.





