1. Introduktion
The SANSUI F31 is a versatile mini portable multimedia speaker designed for ease of use and high-quality audio playback. It features Bluetooth 5.0 connectivity, FM radio, and supports playback from TF cards and USB flash drives. With its compact design, built-in rechargeable battery, and hands-free calling, it is ideal for outdoor activities and everyday listening.
2. Sikkerhedsoplysninger
- Udsæt ikke enheden for ekstreme temperaturer, direkte sollys eller høj luftfugtighed.
- Undgå at tabe eller udsætte enheden for kraftige stød.
- Hold enheden væk fra vand og andre væsker. Den er ikke vandtæt.
- Forsøg ikke selv at skille enheden ad eller reparere den. Overlad al service til kvalificeret personale.
- Brug kun den angivne opladningsvolumentage (DC5V/1A-3A) and a compatible Type-C charging cable.
- Opbevares utilgængeligt for børn.
3. Pakkens indhold
- 1 x SANSUI F31 Multimedia Speaker
- 1 x Brugervejledning
- 1 x Type-C ladekabel
- 1 x Hængereb
4. Produktet er slutview
Familiarize yourself with the various parts and controls of your SANSUI F31 speaker.

Figur 1: Forside View of SANSUI F31 Speaker

Figur 2: Bagside View with Ports (TF, USB, DC 5V, AUX)

Figur 3: Øverst View with Controls and LED Display
Kontroller og indikatorer:
- LED display: Shows playback time, FM frequency, and other status information.
- Nummerknapper (0-9): For digital song selection and FM station tuning.
- M knap: Mode switch (Bluetooth, FM, TF, USB, AUX).
- Lys knap: To switch on/off the magic colored light.
- Optag knap: Starter optagelsen.
- Slet knap: Sletter registrerede files.
- Afspil/pause knap: Styrer medieafspilning.
- Lydstyrke +/- knapper: Justerer lydstyrken.
- Knapper til forrige/næste spor: Navigates between tracks or FM stations.
- Power knap: Tænder/slukker enheden.
Porte:
- TF-kortslot: Til isætning af et TF-kort (MicroSD) til musikafspilning.
- USB-port: For inserting a USB flash drive for music playback.
- DC 5V (Type-C) port: Til opladning af enheden.
- AUX-indgang: Til tilslutning af eksterne lydenheder via et 3.5 mm lydkabel.
- Hovedtelefonstik: Til privat lytning med hovedtelefoner.
5. Opsætning
5.1 Indledende opladning
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 USB power adapter (DC5V/1A-3A, not included) or a computer's USB port. The LED display may indicate charging status. A full charge typically takes a few hours.

Figure 4: Charging the SANSUI F31 Speaker
5.2 Tænd/sluk
Tryk og hold på Power knap to turn the speaker on or off. The LED display will light up when the device is powered on.
6. Betjeningsvejledning
6.1 Valg af tilstand
Tryk på M knap repeatedly to cycle through the available modes: Bluetooth, FM Radio, TF Card, USB Drive, and AUX Input.
6.2 Bluetooth -parring
- Turn on the speaker and switch to Bluetooth mode (the LED display will show 'BLUE' or a similar indicator).
- Aktiver Bluetooth på din mobile enhed (smartphone, tablet osv.).
- Søg efter available Bluetooth devices and select "SANSUI F31" from the list.
- Når højttaleren er parret, udsender den en bekræftelseslyd, og du kan begynde at afspille lyd fra din enhed.
6.3 Afspilning af TF-kort / USB-drev
- Insert a TF card or USB flash drive (containing MP3, FLAC, WAV files) i den respektive åbning.
- Switch the speaker to TF Card or USB Drive mode. The speaker will automatically detect and begin playing music.
- Brug Talknapper (0-9) for digital song selection or the Knapper til forrige/næste spor at navigere.
6.4 FM-radiofunktion
- Skift højttaleren til FM-radiotilstand.
- Automatisk scanning: Tryk længe på Afspil/pause knap for at starte en automatisk søgning efter FM-stationer. Højttaleren gemmer alle fundne stationer.
- Manuel indstilling/stationsvalg: Brug Knapper til forrige/næste spor to cycle through saved stations. You can also use the Talknapper (0-9) to directly input a station number if supported.
6.5 Recording and Deletion
In USB drive/TF card music playback mode, long press the Optag knap to start recording. Press it again to stop. To delete a recorded file, tryk længe på Slet knap.

Figure 5: Recording and Deletion Controls
6.6 Håndfri opkald
When connected via Bluetooth to a smartphone, the built-in high-definition microphone allows for hands-free calls. Press the Afspil/pause knap for at besvare eller afslutte et opkald.

Figure 6: Hands-Free Call Feature
6.7 Brug af hovedtelefoner
Plug 3.5mm headphones into the headphone jack for private listening. The speaker's sound output will be muted.
6.8 Lydstyrkekontrol
Brug Lydstyrke +/- knapper to adjust the playback volume. The LED display will show the current volume level.
6.9 lydtilstande
The speaker supports various sound modes including Hi-Res Sound Mode, 3D Surround Sound Mode, Stereo Sound Mode, Smart Sound Mode, Extra Bass Mode, and Standard Mode. Refer to the specific instructions for cycling through these modes, usually by a short press of the 'M' button or a dedicated sound mode button if present (not explicitly shown in diagrams).
6.10 Magic Colored Light
The speaker features a switchable magic colored light on the back. Press the Lys knap for at tænde eller slukke for den.

Figure 7: Magic Colored Light Feature
6.11 Produktdemonstrationsvideo
Video 1: SANSUI F31 Product Demonstration
7. Brugertips
- For optimal FM radio reception, ensure the speaker is in an open area.
- To extend battery life, turn off the magic colored light when not needed.
- While the speaker supports various playback modes, TWS (True Wireless Stereo) pairing for connecting two speakers simultaneously is not explicitly mentioned in the product specifications.
8. Vedligeholdelse
- Rengør højttaleren med en blød, tør klud. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Opbevar enheden på et køligt, tørt sted, når det ikke er i brug.
- Avoid blocking the speaker grille or ports to ensure proper ventilation and sound quality.
- Charge the battery at least once every three months to maintain its lifespan if stored for extended periods.
9. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Batteriet er opbrugt | Oplad højttaleren helt. |
| Ingen lyd | Volume is too low or muted; Incorrect mode selected; Device not paired (Bluetooth) | Increase volume; Switch to correct mode; Re-pair Bluetooth device. |
| Bluetooth-parring mislykkes | Højttaler ikke i parringstilstand; Enhed for langt væk; Interferens | Ensure speaker is in Bluetooth mode; Move devices closer; Turn off other Bluetooth devices. |
| Dårlig modtagelse af FM-radio | Svagt signal; Miljøforstyrrelser | Move to an open area; Re-scan for stations. |
| TF-kort/USB afspiller ikke | Ukorrekt file format; Card/drive corrupted; Speaker not in correct mode | Sikre files are MP3/FLAC/WAV; Try another card/drive; Switch to TF/USB mode. |
10. Specifikationer
| Feature | Specifikation |
|---|---|
| Model | F31 |
| Dimensioner (L x B x H) | 123 mm x 46 mm x 71 mm |
| Nettovægt | 264 g |
| Højttalerkonfiguration | Dual 40MM internal magnetic speakers + bass passive enhancement units |
| Nominel effekt | 2 x 5W (i alt 10W) |
| PMPO | 35W |
| Kanaler | 2 (2.0) |
| Frekvensrespons | 100Hz-18KHz |
| Følsomhed | 75dB |
| Impedans | 2-4 ohm |
| Bluetooth version | 5.0 |
| Maksimal trådløs rækkevidde | <10m |
| Batteri | 1800mAh Polymer Lithium Battery (Built-in) |
| Batterilevetid | 3-4 timer (ca.) |
| Indgangsstrømforsyning | DC5V/1A-3A (Type-C) |
| Input/output porte | TF card slot, USB port, AUX input, Headphone jack |
| Afspilningsfunktioner | Bluetooth, TF Card, USB Flash Drive, FM Radio (70-108MHz), MP3, FLAC, WAV, Digital Song on Demand, Lossless Music Playback |
| Kontrolfunktioner | Volume control, Digital track selection, Song ordering, One-key recording, One-click deletion, One-click pause |
| Lydtilstande | Hi-Res, 3D Surround, Stereo, Smart, Extra Bass, Standard |
| Mikrofon | Built-in high-definition microphone for hands-free calls |
| Vise | High-definition LED LCD screen |
| Særlige funktioner | Switchable magic colored light, Flexible lanyard design |
| Vandtæt | Ingen |
| Stemmekontrol | Ingen |
| App support | Ingen |
| Certificering | CE |
11. Garanti og support
For garantioplysninger og teknisk support henvises til sælgers politikker eller kontakt producenten direkte. Gem din købskvittering som købsbevis.





