1. Introducció
Gràcies per la compraasing the Astrum ST020 True Wireless Mini Portable Speaker. This manual provides essential information for the safe and efficient use of your device. Please read it carefully before use and retain it for future reference.
2. Contingut del paquet
- 1 x Astrum ST020 5W TWS True Wireless IPX4 Mini Portable Speaker
- 1 x cable de càrrega
- 1 x cordó
- 1 x Manual d'usuari
3. Producte acabatview
The Astrum ST020 is a compact and powerful portable speaker designed for on-the-go audio. It features 5W RMS output, TWS interconnection for stereo sound, Bluetooth connectivity, TF card support, and IPX4 water resistance.

Imatge: Frontal view of the Astrum ST020 Mini Portable Speaker, showcasinel seu disseny compacte i la reixeta de l'altaveu.

Imatge: Superior view of the Astrum ST020 speaker, highlighting the integrated multi-function control buttons.

Image: The Astrum ST020 speaker shown with its attached lanyard, emphasizing its portability.
4. Configuració
4.1. Carregant l’altaveu
Before first use, fully charge the speaker. Connect the provided charging cable to the speaker's charging port and the other end to a 5V USB power source. The charging indicator light will illuminate during charging and turn off when fully charged. A full charge takes approximately 1.5 hours and provides up to 5 hours of playtime.
4.2. Encendre/apagar
- Per encendre: Press and hold the Power button for 2-3 seconds. You will hear an audible prompt.
- Per apagar: Press and hold the Power button for 2-3 seconds. You will hear an audible prompt.
4.3. Emparellament Bluetooth
- Assegureu-vos que l'altaveu estigui encès i en mode d'emparellament Bluetooth (indicat per un LED intermitent).
- Al dispositiu (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "Astrum ST020" from the list of devices.
- Un cop emparellat, l'altaveu emetrà una confirmació audible i l'indicador LED deixarà de parpellejar.
4.4. True Wireless Stereo (TWS) Interconnection
The TWS feature allows you to pair two Astrum ST020 speakers together for a stereo sound experience.

Image: Two Astrum ST020 speakers shown in the process of True Wireless Stereo (TWS) pairing, connected to a single mobile device.
- Ensure both ST020 speakers are powered off.
- Power on both speakers simultaneously. They will automatically attempt to connect to each other.
- Once successfully interconnected, one speaker will act as the master (left channel) and the other as the slave (right channel). You will hear an audible confirmation.
- Now, connect your device to the master speaker via Bluetooth as described in Section 4.3.
5. Instruccions de funcionament
5.1. Controls bàsics
| Botó/Funció | Acció |
|---|---|
| Botó d'engegada | Press and hold to Power On/Off. Short press to Play/Pause music. |
| Puja el volum (+) | Premeu curt per augmentar el volum. Premeu llargament per passar a la següent pista. |
| Baixar el volum (-) | Premeu curt per baixar el volum. Premeu llargament per anar a la pista anterior. |
| Botó de mode (M) | Short press to switch between Bluetooth and TF Card modes. |
5.2. Trucades amb mans lliures
Quan es connecta a un telèfon intel·ligent mitjançant Bluetooth, el micròfon integrat de l'altaveu permet fer trucades amb mans lliures.
- Respon a la trucada: Premeu breument el botó d'engegada.
- Finalitzar la trucada: Premeu breument el botó d'engegada durant una trucada.
- Rebutja la trucada: Manteniu premut el botó d'engegada durant 2 segons.
5.3. Reproducció de targetes TF
Insert a TF (microSD) card with MP3 audio files into the designated slot. The speaker will automatically switch to TF card mode or can be manually switched using the Mode button. Playback controls (play/pause, next/previous track) function as described above.
6. Manteniment
6.1. Neteja
Netegeu l'altaveu amb un drap suau i sec. No utilitzeu netejadors abrasius, alcohol ni altres dissolvents químics, ja que poden danyar la superfície o els components interns.
6.2. Resistència a l'aigua (IPX4)
The Astrum ST020 speaker is IPX4 water resistant, meaning it is protected against splashing water from any direction. It is suitable for use in environments where it might encounter light splashes, such as near a pool or in light rain. No submergiu l'altaveu a l'aigua.

Image: The Astrum ST020 speaker demonstrating its IPX4 splash resistance, with water droplets visible on its surface.
6.3. Emmagatzematge
Store the speaker in a cool, dry place away from direct sunlight, extreme temperatures, and humidity. If storing for an extended period, charge the battery periodically to maintain its lifespan.
7. Solució De Problemes
| Problema | Possible solució |
|---|---|
| L'altaveu no s'encén. | Assegureu-vos que la bateria estigui carregada. Connecteu-la a una font d'alimentació i torneu-ho a provar. |
| No es pot emparellar per Bluetooth. | Ensure the speaker is in pairing mode. Turn off and on your device's Bluetooth. Move speaker closer to your device. Clear previous Bluetooth connections on your device. |
| Sense so o amb un volum baix. | Increase volume on both the speaker and your connected device. Ensure the speaker is not muted. Check if the speaker is properly connected. |
| L'emparellament TWS falla. | Ensure both speakers are ST020 models and are powered on simultaneously from an off state. Keep them close during pairing. |
| La targeta TF no funciona. | Ensure the TF card is inserted correctly and contains supported audio files (MP3). Try reinserting the card or using a different card. |
8. Especificacions
| Característica | Detall |
|---|---|
| Número de model | A12502-B |
| Potència de sortida dels altaveus | RMS de 5 Watts |
| Tecnologia de connectivitat | Bluetooth |
| Mode de sortida d'àudio | Estèreo (amb TWS) |
| Entrada Voltage | 5 Volts |
| Material | Acrilonitril butadiè estirè (ABS) |
| Pes de l'article | 0.26 quilos |
| Dimensions del producte | 9.4D x 5W x 9.4H centímetres |
| Interval Bluetooth màxim | 10 metres |
| Característiques especials | Bass Boost, TWS Interconnection, IPX4 Water Resistant, Built-in Microphone, TF Card Support |
| Temps de joc de la bateria | Fins a 5 hores |
| Temps de càrrega | Aproximadament 1.5 hores |
9. Informació de seguretat
- No exposeu l'altaveu a temperatures extremes, llum solar directa ni flames obertes.
- Eviteu deixar caure o sotmetre l'altaveu a forts impactes.
- Keep the speaker away from water and liquids, except for its intended IPX4 splash resistance. Do not submerge.
- Do not attempt to disassemble, repair, or modify the speaker yourself. This will void the warranty.
- Use only the provided charging cable or a certified 5V USB charger.
- Desfeu-vos de l'altaveu i la bateria de manera responsable d'acord amb la normativa local.
10. Garantia i Suport
The Astrum ST020 True Wireless Mini Portable Speaker comes with a 1 anys de garantia del fabricant des de la data de compra. Aquesta garantia cobreix els defectes de fabricació i la mà d'obra en condicions d'ús normal.
For warranty claims, technical support, or further inquiries, please contact your retailer or visit the official Astrum weblloc web. Si us plau, conserveu el comprovant de compra per al servei de garantia.



