1. Másview
The Soundcore Liberty Air X True Wireless Earbuds (Model A3902) offer a premium audio experience with advanced features designed for clarity and convenience. This manual provides comprehensive instructions for setup, operation, maintenance, and troubleshooting to ensure optimal use of your earbuds.

Figure 1: Soundcore Liberty Air X True Wireless Earbuds and Charging Case.
2. Contenido del paquete
Asegúrese de que todos los artículos estén presentes en el paquete:
- Soundcore Liberty Air X True Wireless Earbuds (Left and Right)
- Estuche de carga
- Multiple EarTip Sizes (S, M, L - Medium pre-installed)
- Cable de carga USB-C
- Guía de inicio rápido (no incluida en este manual digital)
- Safety Card (not included in this digital manual)
3. Configuración
3.1 Carga de los auriculares y del estuche de carga
Antes del primer uso, cargue completamente los auriculares y el estuche de carga.
- Coloque los auriculares en el estuche de carga.
- Conecte el cable de carga USB-C al puerto de carga del estuche y a una fuente de alimentación.
- Los indicadores LED en el estuche de carga se iluminarán para mostrar el estado de carga.
- A full charge provides approximately 7 hours of playtime for the earbuds, with the charging case extending total playtime to 28 hours. The charging case takes approximately 3.5 hours to fully charge.

Figure 2: Earbuds in charging case illustrating battery life. The earbuds provide 7 hours on a single charge, and the case provides an additional 21 hours, totaling 28 hours.
3.2 Choosing the Right EarTips
Selecting the correct EarTip size is crucial for optimal sound quality and a secure fit.
- Try different sizes of silicone EarTips provided.
- Choose the size that forms a snug seal in your ear canal for the best audio experience and noise isolation.

Figure 3: Illustration of the ultra-secure fit provided by soft silicone EarTips. A close-up shows the earbud design, and an inset displays a single EarTip being held.
3.3 Emparejamiento con su dispositivo
Los auriculares utilizan Bluetooth 5.0 para una conexión estable.
- Abre el estuche de carga. Los auriculares entrarán automáticamente en modo de emparejamiento.
- En su dispositivo (teléfono inteligente, tableta, computadora), vaya a la configuración de Bluetooth.
- Select "Soundcore Liberty Air X" from the list of available devices.
- Una vez conectado, escuchará una confirmación audible.

Figure 4: Demonstrating the rock-solid Bluetooth 5.0 connection between the earbuds and a smartphone.
4. Funcionamiento de los auriculares
4.1 Controles táctiles
The Liberty Air X earbuds feature integrated touch controls for easy management of music and calls.
- Controlar la música: Tap the touchpad to play/pause music. Double-tap for next track.
- Contestar llamadas: Tap the touchpad to answer or end a call.
- Activar asistente de voz: Press and hold the touchpad to activate your device's voice assistant.

Figure 5: Visual guide to the built-in touch controls for music, calls, and voice assistant.
4.2 Call Clarity with cVc 8.0 Noise Reduction
Equipped with dual microphones and cVc 8.0 noise reduction technology, the earbuds enhance your voice while minimizing background noise during calls.

Figure 6: Diagram showing how noise-reduction microphones enhance voice pickup and eliminate background noise.
4.3 Expertly Tuned Audio
Graphene drivers provide precise sound delivery with a wide soundstage. Qualcomm aptX technology ensures high-quality Bluetooth audio transmission.

Figura 7: detallada view of an expertly tuned graphene driver, emphasizing its precision oscillation and lightweight design for an expansive soundstage.
5. Mantenimiento
5.1 Limpieza
- Regularly clean the earbuds, especially the EarTips and charging contacts, with a soft, dry, lint-free cloth.
- No utilice productos químicos agresivos ni materiales abrasivos.
- Ensure the earbuds are completely dry before placing them back in the charging case.
5.2 Almacenamiento
- Cuando no los utilice, guarde los auriculares en su estuche de carga para protegerlos y mantenerlos cargados.
- Evite almacenarlo en temperaturas extremas o en lugares con alta humedad.
6. Solución de problemas
| Asunto | Posible solución |
|---|---|
| Los auriculares no se emparejan |
|
| Sin sonido o volumen bajo |
|
| Conexión intermitente |
|
7. Especificaciones
| Característica | Detalle |
|---|---|
| Número de modelo | A3902 |
| Sensibilidad de audio | Nivel de presión sonora de 97 dB |
| Rango de frecuencia | 20 Hz - 20 kHz |
| Versión de Bluetooth | 5.0 |
| Tiempo de reproducción (auriculares) | Hasta 7 horas |
| Tiempo total de reproducción (con estuche de carga) | Hasta 28 horas |
| Tiempo de carga del estuche de carga | Aproximadamente 3.5 horas |
| Tipo de control | Control táctil |
| Micrófono | MEMS Omnidirectional Mic with cVc 8.0 Noise Reduction |
| Tipo de controlador de audio | Graphene Dynamic Driver |
| Peso | 1.9 onzas (auriculares y estuche) |
| Color | Negro |
| Material | Plástico |
8. Vídeo del producto terminadoview
Mira este video oficial para tener una idea visual.view of the Soundcore Liberty Air X True Wireless Earbuds.
Video 1: Soundcore Liberty Air X True Wireless Earbuds overview. This video provides a general introduction to the product's features and design.
9. Garantía y soporte
Soundcore products are backed by a limited warranty. For detailed warranty information, technical support, or customer service, please refer to the official Soundcore websitio o comuníquese directamente con su servicio de atención al cliente.
Soporte en línea: Visita soundcore.com/support Para preguntas frecuentes, guías de solución de problemas e información de contacto.