Introduction
The TECSUN Q3 is a compact and versatile portable stereo radio and MP3 player. It features FM radio reception, MP3 playback from a memory card, and a built-in speaker. This manual provides detailed instructions for setting up, operating, and maintaining your device.

Setup
1. Charging the Battery
The TECSUN Q3 is powered by a rechargeable battery pack. Before first use, fully charge the device.
- Locate the USB charging port on the side of the device.
- Connect the provided USB cable to the device and a compatible USB power adapter (not always included) or a computer USB port.
- The display will indicate charging status. Allow several hours for a full charge.

2. Inserting a Memory Card (for MP3 Playback)
To play MP3 files, you will need a compatible memory card (e.g., microSD card, often labeled "CARD" on the device).
- Locate the memory card slot on the side of the device.
- Gently insert the memory card into the slot until it clicks into place. Ensure the card is oriented correctly.
- To remove, push the card gently inward until it springs out.
Operating Instructions
Power On/Off
- Locate the power switch, usually on the side or top of the device.
- Slide the switch to the "ON" position to power on.
- Slide to "OFF" to power off.
Mode Selection (Radio / MP3)
The device typically has a mode button or switch to toggle between FM radio and MP3 player modes. Look for labels like "音乐库" (Music Library) or "录音库" (Recording Library) or a dedicated mode button.
FM Radio Operation
- Switch to FM radio mode.
- Automatic Tuning: Press and hold the "Play/Pause" button (often labeled with a play/pause icon) or a dedicated "Scan" button to automatically scan and save available FM stations.
- Manual Tuning: Use the number keypad to directly enter a frequency (e.g., 98.8 for 98.8 MHz) or use the "Previous/Next Track" buttons (often labeled with |<< and >>|) for fine-tuning.
- Station Recall: Use the number keypad to select a saved station, or the "Previous/Next Track" buttons to cycle through saved stations.

MP3 Player Operation
- Switch to MP3 player mode. Ensure a memory card with MP3 files is inserted.
- Play/Pause: Press the "Play/Pause" button to start or pause playback.
- Next/Previous Track: Use the "Next Track" (>>|) and "Previous Track" (|<<) buttons to skip tracks.
- Volume Control: Adjust the volume using the dedicated volume buttons or a rotary dial, usually on the side.
- Direct Track Selection: Use the number keypad to enter the track number directly.

Recording Function (if available)
Some models of the TECSUN Q3 may include a recording function. Look for a "REC" button or indicator.
- Ensure a memory card is inserted.
- In FM mode, press the "REC" button to start recording the current radio broadcast.
- Press "REC" again or "Stop" to end the recording.
- Recordings are typically saved as MP3 files on the memory card.
Maintenance
Cleaning
- Wipe the exterior of the device with a soft, dry cloth.
- Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the finish.
- Avoid getting moisture into the ports or speaker grille.
Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- If storing the device for an extended period, charge it to about 50% and recharge every few months.
- Do not expose the device to extreme temperatures.
Storage
- Store the radio in a cool, dry place away from direct sunlight and excessive dust.
- Keep it away from strong magnetic fields.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / Device won't turn on | Battery is discharged. | Charge the battery fully. |
| Poor FM reception | Weak signal; antenna not extended. | Extend the telescopic antenna fully. Try moving to a different location. |
| No sound from speaker | Volume too low; headphones connected. | Increase volume. Disconnect headphones if present. |
| MP3 files not playing | Memory card not inserted or corrupted; unsupported file format. | Ensure memory card is correctly inserted. Check if MP3 files are valid. Try reformatting the card (this will erase all data). |
| Display not working | Device off; low battery. | Turn on the device. Charge the battery. |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Tecsun |
| Model Number | Q3 |
| Type | FM Radio, MP3 Player |
| FM Frequency Range | 87-108 MHz |
| Dimensions (WxHxD) | 103 x 62 x 23 mm |
| Body Material | Plastic |
| Power Supply | Rechargeable Battery Pack |
| Battery Included | Yes |
| Screen | Yes |
| Function | Built-In Speaker |
| Package | Yes |
| WIFI | No |
| Bluetooth | No |
| High-concerned chemical | None |
| Origin | Mainland China |
| Certification | None |
User Tips
- For best FM reception, fully extend the telescopic antenna and try different orientations.
- When using the MP3 player, organize your music into folders on the memory card for easier navigation if the device supports it.
- Keep the device away from strong electromagnetic interference sources (e.g., computers, TVs) to avoid static in radio mode.
- Consider using headphones for private listening and enhanced stereo sound.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.