1. Introducció
Experience an auditory delight with your COLSUR Retro Bluetooth Speaker, seamlessly blending vintage decor with cutting-edge technology. This compact wireless speaker not only channels the classic vibes of an AM/FM radio but also effortlessly connects to your devices via Bluetooth. It is designed for modern lifestyles, bringing retro charm to your space without compromising on portability. This manual provides detailed instructions for setup, operation, and maintenance.
2. Producte acabatview
The COLSUR Retro Bluetooth Speaker features a classic design with modern functionalities. Below are the key components and controls:

Figura 2.1: Frontal view of the COLSUR Retro Bluetooth Speaker, showcasing el seu vintage design with a rotary dial and decorative vacuum tubes.
2.1 Controls del panell frontal
- Marcador rotatiu: Used for tuning FM radio frequencies and adjusting volume.
- Decorative Vacuum Tubes: Illuminate when the speaker is powered on, adding to the retro aesthetic.
2.2 Controls del panell superior

Figura 2.2: superior view of the speaker, showing the control buttons.
- Botó d'encesa: Manteniu premut per encendre/apagar.
- Botó de mode (M): Press to switch between Bluetooth, FM Radio, AUX, TF Card, and USB modes.
- Augment de volum / pista següent: Premeu curt per a la següent pista, premeu llargament per pujar el volum.
- Baixada de volum / pista anterior: Premeu curt per a la pista anterior, premeu llargament per baixar el volum.
2.3 Ports del panell posterior

Figure 2.3: Rear panel of the speaker, detailing the various input/output ports.
- DC-5V (Micro USB): Port de càrrega per a l'altaveu.
- USB: Per a la reproducció des d'una unitat USB.
- ENTRADA DE LÍNIA (AUXILIAR): Entrada d'àudio de 3.5 mm per a dispositius externs.
- Ranura per a targetes TF (Micro SD): Per a la reproducció de targetes TF/Micro SD.
- Antena telescòpica: Esteneu-lo per millorar la recepció de ràdio FM.
3. Configuració
Before first use, ensure your COLSUR Retro Bluetooth Speaker is fully charged.
3.1 Càrrega inicial
- Connect the provided Micro USB charging cable to the DC-5V port on the rear of the speaker.
- Connecteu l'altre extrem del cable a un adaptador de corrent USB (no inclòs) o a un port USB de l'ordinador.
- El llum indicador de càrrega s'il·luminarà. Un cop completament carregat, el llum pot canviar de color o apagar-se, segons el model.
3.2 Engegada/apagada
- Press and hold the Power button on the top panel for a few seconds until you hear an audible prompt and the vacuum tubes light up.
- To power off, press and hold the Power button again until the prompt sounds and the lights turn off.
4. Instruccions de funcionament
4.1 Mode Bluetooth
The speaker defaults to Bluetooth mode upon powering on. An audible prompt "Bluetooth mode" will confirm this.
Video 4.1: Demonstrates the unboxing, features, Bluetooth pairing, and FM tuning of the COLSUR Retro Bluetooth Speaker.
- Ensure the speaker is in Bluetooth mode. If not, press the Mode (M) button to switch.
- Al dispositiu mòbil, activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "AS19" from the list to pair. An audible confirmation will sound upon successful connection.
- Ara pots reproduir àudio des del teu dispositiu a través de l'altaveu.
- Use the Volume Up/Down buttons on the speaker for volume control, or short press for next/previous track.
4.2 Mode de ràdio FM
Gaudeix de les teves emissores de ràdio preferides amb el sintonitzador FM integrat.

Figure 4.2: A user enjoying the FM radio function of the speaker.
- Press the Mode (M) button until you hear "FM mode".
- Extend the telescopic antenna on the rear for optimal reception.
- Rotate the dial on the front panel to tune to your desired FM frequency.
4.3 AUX Input (Line In)
Connect external audio devices using the AUX input.
- Press the Mode (M) button to switch to "Line in mode".
- Connect one end of a 3.5mm audio cable (included) to the LINE IN port on the speaker.
- Connect the other end to the audio output of your external device (e.g., MP3 player, computer).
4.4 Reproducció de targeta TF / USB
Reprodueix àudio files directly from a TF (Micro SD) card or USB drive.
- Insert a TF card into the TF card slot or a USB drive into the USB port on the rear panel.
- The speaker will automatically switch to the corresponding mode and begin playback. If not, press the Mode (M) button to select.
5. Manteniment
Per garantir la longevitat i el rendiment òptim del vostre altaveu, seguiu aquestes pautes de manteniment:
- Neteja: Use a soft, dry cloth to wipe the surface of the speaker. Do not use abrasive cleaners or solvents.
- Emmagatzematge: Guardeu l'altaveu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura de la bateria: For best battery life, avoid fully discharging the battery frequently. Charge it regularly, even if not in use for extended periods.
- Manejar amb cura: Eviteu deixar caure l'altaveu o sotmetre'l a impactes forts.
6. Solució De Problemes
If you encounter any issues with your COLSUR Retro Bluetooth Speaker, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| L'altaveu no s'encén. | Bateria baixa; botó d'engegada no premut correctament. | Carrega l'altaveu completament. Prem i mantén premut el botó d'engegada durant uns segons. |
| Sense so o amb un volum baix. | Volum massa baix; Mode incorrecte; Dispositiu no connectat. | Increase speaker and device volume. Ensure correct mode is selected. Re-pair Bluetooth device or check AUX/USB connection. |
| El Bluetooth no es connecta. | L'altaveu no està en mode d'emparellament; el Bluetooth del dispositiu està desactivat; massa lluny de l'altaveu. | Ensure speaker is in Bluetooth mode. Turn device Bluetooth off/on. Move device closer to speaker (within 10m). |
| Mala recepció de ràdio FM. | Antena no estesa; Zona amb senyal feble. | Fully extend the telescopic antenna. Try repositioning the speaker for better signal. |
| Loud power on/off announcement. | Funcionament normal. | This is a characteristic of the speaker and cannot be adjusted. |
7. Especificacions
| Característica | Detall |
|---|---|
| Dimensions del producte | 1.5 x 2 x 2 polzades |
| Pes de l'article | 1.14 lliures (0.52 quilograms) |
| Nom del model | AS19 |
| Font d'alimentació | Funciona amb bateria |
| Tipus de bateria | 1 bateria de ions de liti (inclosa) |
| Versió Bluetooth | 5.1 (implícit del títol del producte) |
| Hora de joc | Up to 9 hours (from feature bullets) |
| Fabricant | COLSUR |
| Data de primera disponibilitat | 13 d'octubre de 2023 |
8. Què hi ha a la caixa
- COLSUR Retro Bluetooth Speaker (Model AS19)
- Power Cord (Micro USB charging cable)
- Manual d'usuari
9. Garantia i Suport
COLSUR provides a one-year quality safeguard for this product. For any questions or support needs, COLSUR is available to answer customer questions online 24 hours a day.
For further assistance, please refer to the contact information provided with your purchase or visit the official COLSUR store on Amazon.