1. Uvod
Thank you for choosing the SANSUI F31 Mini Multi-functional FM Radio Wireless Bluetooth Speaker. This portable device combines a powerful Bluetooth speaker with an FM radio, MP3 player, and recording capabilities, making it ideal for various outdoor and indoor activities. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.
2. Sadržaj paketa
Molimo označite kućicu za sljedeće stavke:
- 1 x SANSUI F31 Radio/Speaker
- 1 x Korisničke upute
- 1 x TYPE-C Interface Charging Cable
- 1 x Uže za vješanje
Note: No retail package is included.
3. Proizvod je gotovview
The SANSUI F31 is a compact and versatile audio device designed for portability and rich sound. It features a durable build and intuitive controls for easy operation across its multiple functions.

Figure 3.1: SANSUI F31 with feature icons.

Figure 3.2: SANSUI F31 control panel and ports.
Video 3.1: SANSUI F31 product showcase, demonstrating its design and color options.
4. Specifikacije
| Feature | Specifikacija |
|---|---|
| Brand Name | MouZYuan (SANSUI) |
| Model | F31 |
| Materijal zvučnika | ABS + Iron Mesh |
| Konfiguracija sirene | 2 x 1.5-inch circular external magnetic horn + low-frequency passive enhancement unit |
| Nazivna snaga | 2 x 5W |
| PMPO | 12W |
| Frekvencijski odziv | 100Hz-18KHz |
| Bluetooth verzija | 5.0 |
| Bluetooth udaljenost | 10m - 20m (maksimalni bežični domet) |
| Kapacitet baterije | 1800mAh polimerna litijska baterija |
| Vrijeme reprodukcije | 3-4 hours (on a single charge) |
| Ulazno napajanje | DC5V/1A-3A (TYPE-C charging interface) |
| Body Size (L*W*H) | 123mm * 46mm * 71mm |
| Neto težina | Približno 264 g |
| Display Screen | High-definition LED LCD screen |
| Ugrađen mikrofon | Da (za hands-free pozive) |
| Podrška memorijske kartice | Yes (TF card) |
| Funkcija reprodukcije | Radio, MP3, Other (USB drive) |
| FM Frekvencijski opseg | 70-108MHz (supports campus broadcasting) |
| Karakteristike | Phone Function, Play Video (via connected device), Recording, One-click deletion, One-click pause, Magic colored light |
5. Podešavanje
5.1 Punjenje uređaja
Before first use, fully charge the SANSUI F31 speaker. Connect the provided TYPE-C charging cable to the DC 5V port on the speaker and the other end to a compatible USB power adapter (DC5V/1A-3A, not included). The LED screen will indicate charging status. A full charge typically provides 3-4 hours of playback time.
5.2 Uključivanje/isključivanje napajanja
To power on the speaker, press and hold the power button (usually marked with a power symbol) until the LED screen lights up. To power off, press and hold the power button again until the screen turns off.
6. Uputstvo za upotrebu
6.1 Odabir načina rada
The SANSUI F31 supports multiple playback modes. Use the 'M' button (Mode button) to cycle through available modes: Bluetooth, FM Radio, TF Card, USB Drive, and AUX.

Figure 6.1: Five Play Modes of SANSUI F31.
6.2 Bluetooth režim
- Power on the speaker and switch to Bluetooth mode (indicated by 'BLUE' on the LED screen).
- Na svom mobilnom uređaju omogućite Bluetooth i potražite dostupne uređaje.
- Select 'SANSUI F31' from the list to pair. A confirmation sound will indicate successful pairing.
- Sada možete reproducirati zvuk sa svog uređaja putem zvučnika.
6.3 Režim FM radija
- Prebacite se u FM radio način rada pomoću dugmeta 'M'.
- Pritisnite i držite dugme Reprodukuj/Pauziraj da biste pokrenuli automatsko skeniranje FM stanica. Zvučnik će sačuvati sve pronađene stanice.
- Use the Previous/Next track buttons to navigate through the saved stations.
- The LED screen will display the current frequency.
6.4 Reprodukcija sa TF kartice / USB diska
- Umetnite TF karticu u utor za TF karticu ili USB fleš disk u USB priključak.
- The speaker will automatically switch to the corresponding playback mode (TF or USB). If not, use the 'M' button to select it.
- Use the number buttons on the control panel for digital music selection or song ordering.
- Press the Play/Pause button to start or pause playback. Use Previous/Next track buttons to change songs.
6.5 Funkcija snimanja
The SANSUI F31 supports one-key recording. This function is available in USB drive/TF card music playback mode.

Figure 6.2: Recording and Deletion buttons.
- Ensure a TF card or USB drive is inserted.
- Long press the 'Record' button (often marked with a microphone icon) to start recording.
- To stop recording, press the 'Record' button again.
- To delete a recording, long press the 'Delete' button.
6.6 Pozivanje bez upotrebe ruku
When connected via Bluetooth to a smartphone, the SANSUI F31 can be used for hands-free calls thanks to its built-in high-definition microphone.

Figure 6.3: High-definition hands-free call feature.
- When a call comes in, press the Play/Pause button (often also the call answer/end button) to answer.
- Da biste završili poziv, ponovo pritisnite dugme Reprodukuj/Pauziraj.
- To reject a call, long press the Play/Pause button.
6.7 Režim slušalica
Connect standard 3.5mm headphones to the AUX port for private listening. The speaker's output will automatically switch to the headphones.
6.8 Kvalitet zvuka i karakteristike
The SANSUI F31 is equipped with dual 40MM internal magnetic speakers and bass passive enhancement units for a rich and realistic music experience.

Figure 6.4: Heavy Bass technology with high and low frequency diaphragm.
The speaker also features a switchable magic colored light at the back, adding a visual element to your audio experience.
7. Održavanje
- Keep the speaker dry. Avoid exposure to water or excessive moisture.
- Očistite zvučnik mekom, suhom krpom. Ne koristite abrazivna sredstva za čišćenje ili rastvarače.
- Avoid extreme temperatures. Do not expose the speaker to direct sunlight for prolonged periods or store it in very cold environments.
- Do not attempt to disassemble or repair the speaker yourself. This will void the warranty and may cause damage.
- Čuvajte zvučnik na hladnom i suhom mjestu kada ga ne koristite duži period.
8. Otkrivanje problema
8.1 Nema napajanja
- Ensure the battery is charged. Connect the speaker to a power source using the TYPE-C cable.
- Check if the power button is pressed and held long enough to turn on the device.
8.2 Cannot Pair Bluetooth
- Make sure the speaker is in Bluetooth pairing mode (LED screen shows 'BLUE').
- Ensure your device's Bluetooth is enabled and within the 10-20m range.
- Zaboravite prethodna uparivanja na uređaju i pokušajte ponovo.
- Ponovo pokrenite i zvučnik i Bluetooth uređaj.
8.3 Poor FM Reception
- Izvucite antenu do kraja.
- Move the speaker to a location with better signal reception, away from electronic interference.
- Ponovo izvršite automatsko skeniranje stanica.
8.4 TF Card/USB Drive Not Playing
- Provjerite je li TF kartica ili USB pogon ispravno umetnut.
- Provjerite je li zvuk filesu u kompatibilnom formatu (npr. MP3).
- Verify that the speaker is in the correct playback mode (TF or USB).
- Try a different TF card or USB drive to rule out media issues.
9. Savjeti za korisnike
- For optimal sound quality, especially bass, place the speaker on a solid surface.
- Utilize the hanging rope for easy portability during outdoor activities.
- When recording, ensure there is sufficient storage space on your TF card or USB drive.
- Keep the speaker charged regularly to ensure it's ready for use whenever you need it.
- Experiment with different locations for FM radio to find the best signal.
10. Garancija i podrška
For any issues not covered in this manual or for warranty inquiries, please contact the seller or the manufacturer's customer support. Keep your purchase receipt as proof of purchase.





