1. Product Overview
The Brookstone Travel Tumbler Warmer and Wireless Charging Station is designed to keep your beverages at an optimal temperature while simultaneously providing wireless charging capabilities for compatible smartphones. This dual-function device combines convenience with advanced technology, making it suitable for various environments.

Image: The Brookstone Travel Tumbler and its charging base with a smartphone charging wirelessly.
2. Package Contents
Ensure all items are present in the package:
- Brookstone Travel Tumbler (11.5 oz, Double-Wall Stainless Steel)
- Wireless Charging Coaster
- USB Charging Cable
- User Manual

Image: A visual representation of the tumbler, charging coaster, and its key features.
3. Initial Setup
3.1 Charging the Tumbler
- Connect the provided USB charging cable to the Wireless Charging Coaster.
- Plug the other end of the USB cable into a compatible power adapter (not included) and then into a power outlet.
- Place the Brookstone Travel Tumbler onto the Wireless Charging Coaster. The digital display on the tumbler will illuminate, indicating the current battery level and charging status.
- Allow the tumbler to charge fully before first use. A full charge can provide up to 6 hours of continuous warmth, depending on the selected temperature setting.
4. Operating Instructions
4.1 Power On/Off
- To power on the tumbler, press and hold the power button located at the bottom of the tumbler for a few seconds. The display will show "HI" to indicate it's powered on.
- To power off the tumbler, press and hold the power button again for a few seconds. The display will show "BYE" to indicate it's powered off.
4.2 Temperature Control
The tumbler offers precise temperature control for your beverages:
- Manual Adjustment: Use the '+' and '-' touch controls on the tumbler's display to increase or decrease the desired temperature. The digital display will show the current and target temperatures.
- App Control: For advanced control and to switch between Celsius and Fahrenheit, download the dedicated Brookstone app (refer to the included manual for app download instructions). The app allows for remote temperature adjustments and monitoring.
4.3 Wireless Phone Charging
The Wireless Charging Coaster features a 10W Qi-compatible wireless charging pad:
- Ensure the Wireless Charging Coaster is connected to a power source.
- Place your Qi-enabled smartphone directly onto the designated wireless charging area on the coaster.
- The phone's display will indicate that it is charging.
5. Safety Guidelines
The Brookstone Travel Tumbler is equipped with several safety features:
- Overheat Protection: The tumbler automatically shuts off if it detects an unsafe temperature.
- No Liquid Shut-off: If the tumbler detects that there is no liquid inside, it will automatically power off to prevent damage.
- Cool Exterior: The double-wall insulation ensures that the exterior of the tumbler remains cool to the touch, even when heating contents, preventing burns.
6. Care and Cleaning
- The tumbler is hand wash only. Do not place it in a dishwasher.
- Do not use abrasive cleaners or scrubbers, as this may damage the ceramic coating.
- Do not place the tumbler or charging coaster in a microwave.
- Wipe the Wireless Charging Coaster with a soft, dry cloth.
7. Troubleshooting
- Tumbler not heating: Ensure the tumbler is charged and powered on. Check that the desired temperature is set correctly.
- Phone not charging wirelessly: Verify that the Wireless Charging Coaster is powered on and your smartphone is Qi-compatible and placed correctly on the charging area. Remove any thick phone cases that might interfere with charging.
- Display not working: Ensure the tumbler has sufficient battery charge. If the issue persists, try resetting the device by powering it off and on.
8. Product Specifications
| Feature | Value |
|---|---|
| Model Number | AZ-BS-TRTMB-BLK |
| Capacity | 11.5 oz |
| Material | Double-Wall Stainless Steel |
| Color | Black |
| Power Source | Battery Powered |
| Voltage | 3.7 Volts |
| Wattage | 10 watts |
| Maximum Temperature | 149 Degrees Fahrenheit |
| Wireless Charging Output | 10W Qi-compatible |
| Item Weight | 1 pound (16 ounces) |
| Product Dimensions | 4.5"L x 3.5"W x 5.25"H |
| UPC | 840388338452 |
9. Warranty and Support
This Brookstone product comes with a standard manufacturer's warranty. For detailed warranty information, product support, or to register your product, please visit the official Brookstone website or contact customer service.
Customer Support: Please refer to the contact information provided in your product packaging or on the official Brookstone website.





