Introdución
Grazas pola compraasing the QFX BT-ZX0 Mini Speaker. This manual provides essential information for the safe and efficient use of your device. Please read it thoroughly before operation and retain it for future reference.

Figura 1: Fronte view of the QFX BT-ZX0 Mini Speaker.
Configuración
1. Desembalaxe e contido da embalaxe
Retire con coidado todos os elementos da embalaxe. Asegúrese de que estean presentes os seguintes compoñentes:
- QFX BT-ZX0 Mini Speaker
- Cable de carga USB-C
- Manual de usuario

Figura 2: Traseira view showing the USB-C charging port.
2. Cargando o altofalante
Before first use, fully charge the speaker. Connect the supplied USB-C cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will illuminate during charging and turn off when fully charged. A full charge provides approximately 10 hours of playback at 50% volume.
3. Acendido/apagado
Manteña premido o Poder button (usually marked with a circle and vertical line) for a few seconds to turn the speaker on or off. A sound prompt will indicate the power status.

Figure 3: Diagram illustrating speaker controls including Power, Volume Up/Down, and Play buttons, along with the USB-C port, passive bass radiators, and built-in microphone.
4. Emparellamento Bluetooth
- Asegúrate de que o altofalante estea acendido e en modo de emparellamento Bluetooth (indicado por un LED intermitente, se o hai).
- No teu dispositivo (teléfono intelixente, tableta, portátil), activa o Bluetooth e busca os dispositivos dispoñibles.
- Select "BT-ZX0" from the list of devices.
- Unha vez emparellado, o altofalante emitirá un son de confirmación e o indicador LED acenderase de forma fixa.
Operación
1. Controis básicos
- Reproducir/Pausa: Preme o Xogar botón unha vez.
- Subir volume: Preme o + button. Hold to increase volume continuously.
- Baixar volume: Preme o - button. Hold to decrease volume continuously.
- Próxima pista: Manteña premido o + button (or specific button if available, refer to Figure 3).
- Pista anterior: Manteña premido o - button (or specific button if available, refer to Figure 3).
2. Emparellamento de auriculares estéreo sen fíos verdadeiros (TWS)
To achieve a stereo sound experience, you can pair two BT-ZX0 speakers together:
- Ensure both BT-ZX0 speakers are powered on and not connected to any other Bluetooth device.
- Nun altofalante, manteña premido o botón Xogar button (or dedicated TWS button if available) until you hear a pairing prompt.
- Os dous altofalantes conectaranse automaticamente entre si. Un son de confirmación indicará que o emparellamento TWS se realizou correctamente.
- Connect your device to one of the paired speakers via Bluetooth as described in the "Bluetooth Pairing" section. Both speakers will now play audio in stereo.

Figure 4: Two BT-ZX0 speakers demonstrating True Wireless Stereo (TWS) functionality.
3. Función de radio FM
The BT-ZX0 speaker includes an FM radio function:
- Cambiar ao modo FM: Preme o Modo button (if available, or a multi-function button) to cycle through modes until FM Radio is selected.
- Escaneo automático: No modo FM, prema Reproducir/Pausa button once to initiate an automatic scan for available FM stations. The speaker will save detected stations.
- Cambio de estacións: Usa o + e - buttons to navigate between saved FM stations.
4. Chamadas mans libres
When connected to a smartphone via Bluetooth, the BT-ZX0 can be used for hands-free calls:
- Responder/Finalizar chamada: Preme o Reproducir/Pausa botón unha vez.
- Rexeitar a chamada: Manteña premido o Reproducir/Pausa botón.
- Volver a marcar o último número: Prema dúas veces o Reproducir/Pausa botón.
Mantemento
1. Limpeza
To clean the speaker, use a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used. Do not use harsh chemicals, cleaning solvents, or strong detergents, as these may damage the speaker's surface or internal components.
2. Resistencia á auga (IPX7)
The BT-ZX0 speaker is IPX7 waterproof, meaning it can be submerged in water up to 1 meter (3 feet) for up to 30 minutes. Ensure the charging port cover is securely closed before exposing the speaker to water. After exposure to water, wipe the speaker dry before charging or opening the port cover.

Figure 5: The BT-ZX0 speaker demonstrating its IPX7 waterproof capability.
3. Almacenamento
Garda o altofalante nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas. Se o gardas durante un período prolongado, carga a batería periodicamente para manter a súa vida útil.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O altofalante non se acende. | A batería está esgotada. | Cargue o altofalante completamente. |
| Non se pode sincronizar co dispositivo Bluetooth. | O altofalante non está en modo de emparellamento ou está demasiado lonxe do dispositivo. | Ensure speaker is on and in pairing mode. Move device closer to speaker (within 10 meters). Turn Bluetooth off/on on your device. |
| Sen son ou volume baixo. | Volume demasiado baixo no altofalante ou no dispositivo conectado. | Aumenta o volume tanto no altofalante como no dispositivo conectado. |
| Fallou o emparellamento de TWS. | Speakers are already connected to another device. | Disconnect both speakers from any other Bluetooth devices before attempting TWS pairing. |
Especificacións
- Modelo: BT-ZX0
- Marca: QFX
- Tecnoloxía de conectividade: Bluetooth
- Versión Bluetooth: v5.3
- Resistencia á auga: IPX7 (Impermeable)
- Tamaño do altofalante: 45 mm (Dynamic Driver)
- Modo de saída de audio: Envolvente
- Duración da batería: Ata 10 horas (ao 50 % do volume)
- Porto de carga: USB-C
- Características: True Wireless Stereo (TWS), FM Radio, Hands-free Calling with Built-in Microphone, Dual Passive Bass Radiators
- Material: Recinto de aluminio
- Dimensións (D x W x H): 2.95" x 4.02" x 3.07"
- Cor: Negro

Figure 6: Dimensions of the QFX BT-ZX0 Mini Speaker.
Garantía e soporte
Garantía limitada
The QFX BT-ZX0 Mini Speaker comes with a limited warranty. Please refer to the warranty card included in your package or visit the official QFX websitio para consultar os termos e condicións detallados.
Atención ao cliente
For technical assistance, troubleshooting, or product inquiries, please visit the official QFX websitio en www.qxusa.com ou póñase en contacto co seu departamento de atención ao cliente.