Introdución
This manual provides detailed instructions for the Docooler F520 Wireless Business Headset. Please read this manual carefully before use to ensure proper operation and to maximize the product's lifespan. Keep this manual for future reference.
The Docooler F520 is a versatile wireless headset designed for business, sport, and everyday use. It features Bluetooth 5.3 for stable connectivity, a retractable earbud for convenience, and a high-definition microphone with noise reduction for clear calls.
Contido do paquete
The Docooler F520 package includes:
- 1 x Docooler F520 Wireless Headset
- 1 x cable de carga USB
- 2 x Silicone Ear Caps (various sizes)
- 1 x Manual de usuario
Produto rematadoview
The Docooler F520 headset is designed for comfort and functionality, featuring a collar clip design and a retractable earbud.

Imaxe: Principal view of the Docooler F520 Wireless Headset, showcasing its compact design and retractable earbud.

Image: Diagram illustrating the dimensions and key components of the F520 headset, including the button to retract earbud, LED indicator, Type-C USB port, volume buttons, and microphone.

Imaxe: Detallada view highlighting the Type-C USB charging port, independent volume control buttons, and the three sizes of skin-friendly silicone ear caps (L, M, S) included for comfortable wear.
Configuración
Cargando os auriculares
Before first use, fully charge the headset. Connect the provided USB charging cable to the Type-C port on the headset and to a compatible USB power source (e.g., computer USB port, wall adapter). The LED indicator will illuminate during charging and change color or turn off when fully charged (refer to specific LED behavior in the diagram).
- Tempo de carga: Aproximadamente 2 horas.
- Duración da batería: Up to 10 hours talk time, 14 hours music time (at 70% volume), 120 hours standby time.

Image: Diagram illustrating the impressive battery life of the F520 headset, showing 10 hours of talk time, 14 hours of music time, and 120 hours of standby time.
Emparejamento Bluetooth
The F520 headset utilizes advanced Bluetooth 5.3 technology for a stable, fast, and energy-efficient wireless connection.

Image: Visual representation of the Bluetooth 5.3 chip, emphasizing lower power consumption and smoother performance for enhanced wireless connectivity.
- Encendido: Press and hold the Multi-function Button (MFB) for approximately 3 seconds until the LED indicator flashes, indicating the headset is in pairing mode.
- Activar Bluetooth: No teu teléfono intelixente ou noutro dispositivo con Bluetooth, vai á configuración de Bluetooth e asegúrate de que o Bluetooth estea activado.
- Busca Dispositivos: O dispositivo buscará automaticamente dispositivos Bluetooth próximos.
- Conectar: Select "F520" from the list of available devices. Once connected, the LED indicator will change (e.g., slow blue flash) and you will hear an audible confirmation.
Conexión multipunto: The F520 supports connecting to two smartphones simultaneously. After pairing with the first device, disable Bluetooth on the first device, then pair with the second device. Re-enable Bluetooth on the first device, and the headset should connect to both.
Instrucións de funcionamento
The F520 headset features intuitive physical buttons for easy control of calls, music, and voice assistant functions.

Image: Diagram illustrating the functions of the physical buttons on the F520 headset, including power, call control, music playback, volume adjustment, and voice assistant activation.
- Encendido/apagado:
Prema e manteña premido o botón multifunción (MFB) durante 3 segundos. - Atender / finalizar chamadas:
Fai clic no MFB unha vez. - Rexeitando chamadas:
Fai dobre clic no MFB. - Volver a marcar o último número:
Fai dobre clic no MFB. - Reproducir/pausar música:
Fai clic no MFB unha vez. - Cambiar canción:
Long press the Volume + button for 2 seconds for the next song.
Long press the Volume - button for 2 seconds for the previous song. - Axustar o volume:
Click the Volume + button to increase volume.
Click the Volume - button to decrease volume. - Asistente de voz (Siri):
Long press the MFB for 2 seconds to activate your device's voice assistant. - Retract Earbud:
Press the dedicated button on the side of the headset to automatically retract the earbud cable, keeping it organized and tangle-free.
Calidade de chamada e redución de ruído
The F520 features a built-in high-definition microphone with multiple noise reduction technologies to enhance call audio transmission, ensuring clear sound and high-quality conversations.

Image: Diagram illustrating the intelligent noise reduction feature, showing how ambient noise is reduced for clearer voice calls. It also highlights effective wind noise reduction for speeds up to 60km/h.
Single-Ear Design for Safe Travel
The monaural design allows you to enjoy audio while remaining aware of your surroundings, which is beneficial for driving, riding, or general travel safety.

Image: A person wearing the F520 headset, demonstrating its single-ear design which allows for privacy while also maintaining environmental awareness, promoting safer travel.
Mantemento
Limpeza
Wipe the headset with a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or harsh chemicals. Avoid getting moisture into any openings.
Almacenamento
Store the headset in a cool, dry place away from direct sunlight, extreme temperatures, and humidity. When not in use for extended periods, ensure the earbud cable is retracted to prevent damage.
Resolución de problemas
- Os auriculares non se acenderán: Ensure the headset is fully charged. Connect it to a power source and try again after a few minutes.
- Non se pode emparellar co dispositivo: Make sure Bluetooth is enabled on your device and the headset is in pairing mode (LED flashing). Try restarting both the headset and your device. Ensure the headset is not already connected to another device.
- Sen son ou volume baixo: Check the volume levels on both the headset and your connected device. Ensure the headset is properly paired and selected as the audio output device.
- Baixa calidade das chamadas: Ensure the microphone is not obstructed. Move closer to your connected device to ensure a strong Bluetooth signal. Avoid environments with strong electromagnetic interference.
- Earbud cable not retracting: Gently press the retraction button. If it's stuck, ensure there are no obstructions. Do not force the cable.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | Docooler |
| Nome do modelo | F520 |
| Número de modelo | LLS9325159902624XR |
| Material | ABS+PC+UV |
| Versión Bluetooth | V5.3 |
| Capacidade da batería | 80 mAh |
| Tempo de reprodución de música | Approx. 14 hours (70% volume), 12 hours (100% volume) |
| Tempo de conversa | Aprox. 10 horas |
| Tempo de espera | Aprox. 120 horas |
| Tempo de carga | Aprox. 2 horas |
| Lonxitude do fío | Aprox. 35 cm |
| Peso | 18.5 g |
| Resistencia á auga | Impermeable |
| Método de control | Voice, Physical Buttons |
| Dispositivos compatibles | Dispositivos habilitados para Bluetooth |
| Colocación do oído | No oído |
| Factor de forma | No oído |
| Redución de ruído de chamadas | Si |
| Illamento pasivo de ruído | Ningún |
| Tecnoloxía de conectividade | Sen fíos (Bluetooth) |
| Usos específicos | Travel, Business, Sport |
Información de seguridade
- Do not disassemble, repair, or modify the headset. This may void the warranty and cause damage.
- Keep the headset away from extreme temperatures (hot or cold), direct sunlight, and high humidity.
- Evita escoitar música durante moito tempo a volumes altos para previr posibles danos auditivos.
- Manteña o dispositivo lonxe de nenos e animais.
- Dispose of the product and its battery responsibly according to local regulations. Do not dispose of with household waste.
Garantía e Soporte
For warranty information, technical support, or any inquiries regarding your Docooler F520 Wireless Business Headset, please refer to the documentation provided at the time of purchase. You may also contact Docooler customer service through their official website or authorized retailers for assistance.