1. Setup
Before using your Baseus Heyo Series Magnetic Countdown Timer, please follow these steps for initial setup:
- Battery Installation: The timer requires AAA batteries (not included). Open the battery compartment, insert the batteries according to the polarity markings, and close the compartment securely.
- Placement: The timer features a magnetic backing base. You can place it on any flat surface or attach it to a metal surface such as a refrigerator or whiteboard for convenient access.

2. Operating Instructions
The Baseus Heyo Timer offers multiple timing modes and easy adjustments.
2.1 Setting the Time
The timer features a rotating knob for intuitive time setting:
- Adjusting Seconds: Rotate the knob slowly to adjust the second digit.
- Adjusting Minutes: Rotate the knob quickly to adjust the minute digit.
After setting the desired time, press the button on the side to start the timer.

2.2 Timing Modes
The timer supports three main timing modes:
- Count-up: When the display shows '00:00', press the button to start counting upwards. Ideal for tracking elapsed time.
- Countdown: Set your desired time using the rotating knob, then press the button to start the countdown.
- Multi-Period Timing: This mode supports setting up to 5 different time periods, useful for structured work or study sessions like the Pomodoro Technique.

2.3 Start/Pause Control
Press the button on the side of the timer to start or pause the current timing session. This allows you to temporarily stop the count for emergencies or breaks.

2.4 Memory Function
To quickly recall the last timing setup, double-press the button. This eliminates the need to reset the time for repetitive tasks. Note: This function primarily works for the multi-period timing mode and records only the last timing period you set up.

2.5 Ascending Alarm
The timer features an ascending alarm. The volume of the buzzing gradually increases from 40dB to 80dB over 10 seconds, ensuring it alerts you without causing sudden disturbance.

2.6 Flip Display
The timer supports a flip display. When you physically flip the timer over, the display orientation will automatically adjust to remain readable.

2.7 Smart Screen-off
To conserve battery and minimize distractions, the display will automatically turn off after 10 seconds of no operation.
3. Maintenance
To ensure the longevity and optimal performance of your timer:
- Cleaning: Wipe the timer with a soft, dry cloth. Do not use abrasive cleaners or immerse it in water.
- Battery Replacement: Replace batteries when the display dims or the timer stops functioning correctly. Always use new AAA batteries and dispose of old batteries responsibly.
- Storage: Store the timer in a cool, dry place away from direct sunlight and extreme temperatures.
4. Troubleshooting
If you encounter issues with your timer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Timer does not turn on or display is blank. | Low or dead batteries; incorrect battery installation. | Replace with new AAA batteries, ensuring correct polarity. |
| Display is dim or flickering. | Low battery power. | Replace batteries. |
| Alarm is too quiet or not sounding. | Timer volume setting (if applicable, though this model has ascending alarm); obstruction of speaker. | Ensure the timer's speaker is not obstructed. The alarm is designed to ascend gradually. |
| Time setting is difficult or unresponsive. | Knob mechanism issue; low battery. | Ensure batteries are fresh. Try rotating the knob with different speeds to adjust minutes/seconds. If issue persists, contact support. |
5. Specifications
| Feature | Detail |
|---|---|
| Product Name | Baseus Heyo Series Magnetic Countdown Timer |
| Model No. | BS-PG004 |
| Material | ABS+PC |
| Weight | About 78g |
| Timing Period | 0~99 minutes 55 seconds |
| Alarm Volume | 40-80dB (ascending) |
| Alarm Type | 10 seconds of ascending alarm |
| Product Size (Length) | 11.35 cm |
| Certifications | CE, FCC, RoHS, Qi, SRRC, CCC, ETL, UL, PSE, EMC |
| Product Code | L60448003111-00 |
| Barcode | 6932172641771 |

6. User Tips
Maximize your productivity and time management with these tips:
- Pomodoro Technique: Utilize the multi-period timing mode to implement the Pomodoro Technique (e.g., 25 minutes of work, 5 minutes of break) for focused study or work sessions.
- Quick Recall: For tasks you repeat often, use the memory function by double-pressing the button to quickly start the last set timing.
- Strategic Placement: Take advantage of the magnetic backing to place the timer in easily visible and accessible locations, such as on a kitchen appliance, whiteboard, or metal desk organizer.
- Silent Operation: The ascending alarm is designed to be non-disruptive. If you need a completely silent reminder, keep an eye on the large LED display.

7. Warranty & Support
For warranty information, technical support, or any inquiries regarding your Baseus Heyo Series Magnetic Countdown Timer, please refer to the official Baseus website or contact the retailer from whom you purchased the product. Keep your proof of purchase for warranty claims.





