1. Introduzione
The Avantree SP850 is a versatile 3-in-1 portable audio device, combining an FM radio, a Bluetooth speaker, and an SD card MP3 player. Its compact design and multiple playback options make it an ideal companion for various activities. This manual provides detailed instructions on how to set up, operate, and maintain your SP850.
Chì ci hè in u Box?
- Avantree SP850 Bluetooth Speaker
- Cavu di carica Micro USB
- Cavo audio da 3.5 mm
- Manuale d'usu
- Li-ion Battery (BL-5C)

2. Informazioni di sicurezza
- Ùn espone micca u dispusitivu à temperature estreme, à a luce diretta di u sole o à alta umidità.
- Mantene u dispusitivu luntanu da l'acqua o altri liquidi.
- Ùn pruvate micca di smuntà o riparà u dispusitivu da per voi. Cuntattate un persunale di serviziu qualificatu.
- Aduprate solu u vulume di carica specificatutage (5V--500mA) and cables.
- Smaltite e batterie in modu responsabile secondu e normative lucali.
3. Produttu Finituview
The Avantree SP850 features a compact design with intuitive controls and multiple connectivity options.


Cumpunenti chjave:
- Display LED: Shows FM frequency, channel, and mode information.
- Tastiera Numerica (0-9): For direct FM frequency input or track selection in SD card mode.
- Pulsante di menu: Accede à i paràmetri è à l'opzioni.
- Pulsante di modu: Switches between FM Radio, Bluetooth, and SD Card modes.
- Cuntrolli di riproduzione: Previous/Next Track, Play/Pause.
- Manopola ON/OFF/Volume: Accende/spegne l'apparecchiu è aghjusta u vulume.
- Portu AUX: Per l'entrata audio cablata.
- Presa per cuffie: Per l'ascolta privata.
- Portu Micro USB: For charging and as an external antenna for FM radio.
- Slot per Schede Micro SD: Per ghjucà l'audio files da una carta SD.
4. Setup
4.1 Installazione di batterie
The SP850 uses a removable BL-5C Li-ion battery. Ensure the battery is correctly inserted before first use.
- Open the battery compartment cover on the back of the speaker.
- Insert the BL-5C battery, ensuring the contacts align correctly.
- Chiudere in modu sicuru u coperchiu di u compartimentu di a batteria.

4.2 Carica iniziale
Before first use, fully charge the SP850. Connect the micro USB charging cable to the speaker's micro USB port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED display will indicate charging status. A full charge takes approximately 2 hours.
5. Operating Instructions
5.1 Accensione/Spegnimentu è Cuntrollu di u Volume
- Accensione / spegnimentu: Rotate the ON/OFF/Volume knob clockwise to turn on the speaker. Rotate counter-clockwise until it clicks to turn off.
- Ajuste di u voluminu: Once powered on, continue rotating the knob clockwise to increase volume, and counter-clockwise to decrease volume.
5.2 Selezzione Mode
Press the 'MODE' button to cycle through the available playback modes: FM Radio, Bluetooth, and SD Card Player.
5.3 Modu Radio FM
In FM Radio mode, you can enjoy clear FM signals. The USB cable can be connected to the micro USB port and left dangling to act as an external antenna for improved reception, especially in enclosed environments.

- Scansione automatica è salvataggio: Press and hold the 'MENU' button to initiate an automatic scan. The SP850 will search for and save all available FM stations in sequential order.
- Tuning Manuale: Use the number pad (0-9) to directly input an FM frequency (e.g., press '9', '7', '4' to tune to 97.4 MHz).
- Station Navigation: Use the Previous/Next track buttons to cycle through saved stations.
5.4 Modu di l'altoparlante Bluetooth
The SP850 can stream music wirelessly from your Bluetooth-enabled devices.
- Switch the SP850 to Bluetooth mode using the 'MODE' button. The LED display will show a Bluetooth icon, indicating it's ready for pairing.
- On your smartphone, tablet, or PC, enable Bluetooth and search for new devices.
- Select 'Avantree SP850' from the list of available devices to pair.
- Once paired, you can play audio from your device through the SP850.
5.5 SD Card Player Mode
Play your favorite audio stories and songs directly from a Micro SD card.
- Insert a Micro SD card (up to 32GB, formatted with MP3, WMA, or WAV files) into the Micro SD card slot.
- Switch the SP850 to SD Card mode using the 'MODE' button.
- Use the playback control buttons (Previous/Next, Play/Pause) to manage your music.
- Press the 'MENU' button to access playback options like 'Repeat All', 'Repeat Folder', 'Repeat One', or 'Random'.
5.6 Modi di l'equalizzatore
Enhance your listening experience with six preset equalizer modes:
- Naturale
- Rock
- Pop
- Classicu
- Jazz
- Soft
These modes are available when using Bluetooth or SD Card modes. Press the 'MENU' button and navigate to the EQ settings to select your preferred mode.
5.7 Usu di e cuffie
Connect standard 3.5mm headphones to the headphone socket for private listening. Ensure your headphones do not have an inline controller, as this may cause audio to play from both the headphones and the speaker simultaneously.
5.8 Ingressu AUX
Connect external audio devices (e.g., MP3 players, non-Bluetooth phones) using the provided 3.5mm audio cable to the AUX port.
6. Mantenimentu
- Pulizia: Asciugate l'apparechju cù un pannu dolce è asciuttu. Ùn aduprate micca detergenti abrasivi o solventi.
- Cura di a batteria: The removable BL-5C Li-ion battery can be easily replaced. For optimal battery life, avoid fully discharging the battery frequently and store the device in a cool, dry place when not in use for extended periods.
- Conservazione: Store the speaker in a dry environment, away from dust and extreme temperatures.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Nisuna alimentazione / L'apparechju ùn si accende micca | A batteria hè scarica o ùn hè micca inserita currettamente. | Charge the device fully. Ensure the BL-5C battery is correctly installed. |
| Povera ricezione di a radiu FM | Weak signal, no antenna connected. | Connect the micro USB cable to the micro USB port; it acts as an external antenna. Try moving to an open area. |
| Ùn si pò ghjucà files from SD card | Senza supportu file format or corrupted card. | Assicuratevi files are in MP3, WMA, or WAV format. Check if the SD card is properly inserted and not corrupted. Max capacity 32GB. |
| Problemi di accoppiamentu Bluetooth | Device not in pairing mode, out of range, or already connected. | Ensure SP850 is in Bluetooth mode. Keep devices within 10 meters. Disconnect from other Bluetooth devices. |
| Audio latency with TV/movies | Bluetooth technology inherent delay. | The SP850 is not recommended for TV/movie watching due to potential audio lag. |
| Audio from headphones and speaker simultaneously | Headphones with inline controller used. | Use headphones without an inline controller. |
8. Cunsiglii d'utilizatori
- Improve FM Reception: If you experience poor FM radio reception, connect the micro USB charging cable to the speaker's micro USB port. This cable acts as an external antenna and can significantly improve signal strength, especially indoors.
- Estensione di a vita di a batteria: To maximize the lifespan of your removable BL-5C battery, avoid completely draining it before recharging. Occasional partial charges are better than frequent deep discharges.
- Quick Station Access: Utilize the number pad for direct tuning to your favorite FM frequencies, saving time compared to scanning.
9. Specificazioni
| Feature | Specificazione |
|---|---|
| Marca | Avantree |
| Mudellu | SP850 |
| Versione Bluetooth | 2.1 |
| Bluetooth Operational Range | Finu à 10 metri (33 piedi) |
| Bluetooth Work Time | Finu à 6 ore |
| Gamma di frequenza FM | 87MHz à 108MHz |
| FM Work Time | Finu à 6 ore |
| Supported Audio Formats (SD Card) | MP3, WMA, WAV |
| SD Card Storage Capacity | Massimu 32 GB |
| Potenza di uscita di parlante | 3W |
| Range di Frequency Speaker | 90 Hz ~ 18 kHz |
| Fonte d'energia | Rechargeable Li-ion Battery (BL-5C) |
| Tempu di carica | Circa 2 ore |
| Carica Voltage | 5V--500mA |
| Input / Output | Micro USB, 3.5mm AUX, 3.5mm Headphone Socket |
| Display Screen | Yes (LED Display) |
| Modi Equalizer | 6 (Natural, Rock, Pop, Classic, Jazz, Soft) |
| Materiale | Plastica |
| Dimensioni | 130 × 66 × 32 mm |
| Pesu Net | 158 g |
| Microfonu integratu | Innò |
| Impermeabile | Innò |
| Supporta l'APP | Innò |
| Control remoto | Innò |
| Certificazioni | CE, FCC, RoHS |
10. Garanzia è Support
Avantree offers a 24-month warranty with product registration. For extensive support, including video tutorials, FAQs, e-manuals, and accessories, please visit the official Avantree website or contact their customer service via chat, email, or phone.
11. L'infurmazione di u cumplimentu
This device complies with relevant CE, FCC, and RoHS certifications, ensuring it meets safety, health, and environmental protection standards.





