1. Introduction
The Tempwise Bluetooth 5.4 Meat Thermometer is a smart, wireless needle meat thermometer designed to provide precise temperature monitoring for various cooking methods. It utilizes stable and efficient Bluetooth 5.4 connectivity, ensuring a reliable wireless connection throughout your cooking process. The device features a clear LCD screen for real-time temperature display and integrates with a smartphone application for remote control and enhanced convenience. This thermometer is ideal for both home cooking and professional culinary applications, helping you achieve perfectly cooked meals every time.
NOTE: THIS PRODUCT IS NOT SUITABLE FOR USE IN PRESSURE COOKERS OR MICRO OVENS.
2. Package Contents
Please check the box for the following items:
- Probe x 1
- Base x 1
- AAA Batteries x 2
- User Manual x 1
3. Product Overview & Features
The Tempwise Meat Thermometer is engineered with advanced features to simplify your cooking experience:
- Bluetooth 5.4 Connectivity: Offers a stable connection with an obstacle-free control range of up to 328ft/100m.
- Ultra-Thin Probe: A 5mm diameter probe ensures easier insertion and minimizes damage to meat texture.
- Durable & Safe Materials: Constructed from food-grade stainless steel with an alumina ceramic handle, and IP67 waterproof rating.
- Fast & Accurate Readings: Provides a response time of less than 1 second with a high measurement accuracy of ±1℃/1.8℉.
- HD LCD Screen: A clear 18x35 mm (0.7x1.4 inches) display shows all temperatures for intuitive monitoring.
- Smart App Integration: Compatible with the 'ToastTrack' app, offering 26 preset meat menus with USDA-recommended cooking temperatures, customizable options, target temperature alarms, pre-alarms, cooking timers, and over-range temperature alarms.
- Long Battery Life: The probe charges fully in 30 minutes for 20 hours of continuous use. The base, powered by 2 AAA batteries, can remain active for up to 120 hours.
- Offline Data Storage: Automatically saves up to 60 minutes of offline temperature data, syncing with the app once reconnected.
- Magnetic Base: Features a powerful magnetic back for convenient attachment to metal surfaces like refrigerators or ovens for easy viewing.
Product demonstration video highlighting the Tempwise Bluetooth meat thermometer's features, including probe design, app integration, magnetic mounting, and temperature monitoring.

Overview of the Tempwise Bluetooth BBQ Thermometer TNT-21-B and its main features.
4. Setup Guide
4.1. Battery Installation (Base)
- Locate the battery compartment on the back of the thermometer base.
- Open the compartment cover.
- Insert the 2 AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
4.2. Probe Charging
The probe has a built-in rechargeable battery:
- Insert the probe into the charging slot on the thermometer base.
- The probe will begin charging automatically. A full charge takes approximately 30 minutes.
- Ensure the probe is fully charged before first use for optimal performance.

The probe charges quickly in the base, providing long-lasting use.
4.3. App Download & Pairing
- Download the 'ToastTrack' app from your smartphone's app store (available on Google Play and the App Store).
- Enable Bluetooth on your smartphone.
- Open the 'ToastTrack' app and follow the on-screen instructions to pair with your Tempwise thermometer. The app will guide you through the connection process.
- Once paired, you can monitor and control your cooking from your smartphone.

The 'ToastTrack' app provides comprehensive cooking control and monitoring.
5. Operating Instructions
5.1. Inserting the Probe
- Carefully insert the ultra-thin probe into the thickest part of the meat, avoiding bones.
- Ensure the probe is inserted beyond the 'Safe Cooking Line' marked on the probe to accurately measure the internal food temperature and protect the handle from excessive heat.

Proper probe insertion ensures accurate food and ambient temperature monitoring.
5.2. Monitoring Temperatures
You can monitor temperatures in two ways:
- On the Base: The HD LCD screen on the thermometer base displays both the food's internal temperature and the ambient temperature in real-time.
- Via the App: Use the 'ToastTrack' app on your smartphone to view temperature trends, set alarms, and track cooking progress remotely.

Monitor cooking progress on the thermometer's display or through the connected app.
5.3. Using the App for Cooking
- Select Meat Type: Choose from 26 preset meat menus with USDA-recommended cooking temperatures.
- Customize Settings: Adjust target temperatures, set early warning alarms, and utilize count-up/down timers as needed.
- Temperature Alarms: The app will notify you when your food reaches the target temperature or a pre-set early warning temperature.
- Offline Data: The thermometer stores up to 60 minutes of temperature data. This data automatically syncs with the app when the connection is re-established, ensuring no data loss.

Offline data storage ensures continuous monitoring even if the app connection is temporarily lost.
6. Maintenance
6.1. Cleaning
The probe is IP67 waterproof and dishwasher safe. After each use:
- Remove the probe from the meat and allow it to cool.
- Clean the probe thoroughly with soap and water, or place it in the dishwasher.
- Wipe the thermometer base with a damp cloth. Do not immerse the base in water.

The IP67 waterproof probe is easy to clean and dishwasher safe.
6.2. Storage
When not in use, store the probe securely in its base. Keep the device in a cool, dry place away from direct sunlight and extreme temperatures.

The magnetic base allows for convenient storage on metal surfaces.
7. Troubleshooting
- No Power/Display:
- Ensure AAA batteries in the base are correctly installed and not depleted. Replace if necessary.
- Ensure the probe is fully charged by placing it in the base for 30 minutes. - Bluetooth Connection Issues:
- Make sure Bluetooth is enabled on your smartphone.
- Ensure the thermometer base and your smartphone are within the 328ft/100m range without significant obstacles.
- Restart the 'ToastTrack' app and try pairing again.
- Check if the thermometer base batteries are low. - Inaccurate Temperature Readings:
- Ensure the probe is inserted correctly into the thickest part of the meat, avoiding bones.
- Verify the probe is inserted beyond the 'Safe Cooking Line'.
- Check for any physical damage to the probe. - App Not Responding:
- Close and reopen the 'ToastTrack' app.
- Check for app updates in your smartphone's app store.
- Ensure your smartphone's operating system is up to date.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Tempwise |
| Model | TNT-2B |
| Theory | Multifunctional Thermometer |
| Probe Material | Food-grade stainless steel with alumina ceramic handle |
| Probe Size | φ 5mm |
| Display Type | DIGITAL |
| Screen Type | HD LCD (18*35 mm/0.7 x 1.4 inches) |
| Display Size | 1.9 Inches & Under |
| Bluetooth Connection | Bluetooth 5.4 |
| Connection Distance | About 328 ft/100m no-obstacle distance |
| Food Temperature Range | -10~100℃/14~212℉ (100℃/212℉ is the ultimate temperature and the highest usable temperature is 96℃/205℉) |
| Ambient Temperature Range | 0~300℃/32-572℉ |
| Probe Response Time | <1 second |
| Probe Measurement Accuracy | ±1℃/±1.8℉ |
| Temperature Calibration | ±7℃/±12℉ |
| Probe Battery Life | About 20 hours |
| Probe Charging Time | About 30 Minutes |
| Base Power Source | 2 AAA batteries |
| Base Battery Life | About 120 hours |
| Waterproof Rating | IP67 (Probe) |
| Certification | CE, FCC |
| Origin | Mainland China |
9. User Tips
- Always ensure the probe is fully charged before a long cooking session to avoid interruptions.
- For best results, keep your smartphone within the recommended Bluetooth range (328ft/100m) and minimize physical obstructions.
- Regularly check the 'ToastTrack' app for updates to ensure you have the latest features and performance improvements.
- When cooking different types of meat, utilize the app's preset menus for USDA-recommended temperatures to ensure food safety and optimal doneness.
10. Warranty and Support
For warranty information, technical support, or any questions regarding your Tempwise Bluetooth Meat Thermometer, please refer to the contact information provided by your retailer or visit the official Tempwise website. Keep your purchase receipt as proof of purchase for warranty claims.