1. Rematadoview
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. Contido do paquete
Asegúrate de que todos os elementos estean presentes no 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 (non incluída neste manual dixital)
- Tarxeta de seguridade (non incluída neste manual dixital)
3. Configuración
3.1 Carga dos auriculares e da caixa de carga
Antes do primeiro uso, carga completamente os auriculares e a caixa de carga.
- Coloque os auriculares na caixa de carga.
- Conecta o cable de carga USB-C ao porto de carga da carcasa e a unha fonte de alimentación.
- The LED indicators on the charging case will illuminate to show charging status.
- 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 Emparellamento co teu dispositivo
The earbuds use Bluetooth 5.0 for a stable connection.
- Abre a caixa de carga. Os auriculares entrarán automaticamente no modo de emparellamento.
- No teu dispositivo (teléfono intelixente, tableta, ordenador), vai á configuración de Bluetooth.
- Select "Soundcore Liberty Air X" from the list of available devices.
- Unha vez conectado, escoitarás unha confirmación audible.

Figure 4: Demonstrating the rock-solid Bluetooth 5.0 connection between the earbuds and a smartphone.
4. Funcionamento dos auriculares
4.1 Controis táctiles
The Liberty Air X earbuds feature integrated touch controls for easy management of music and calls.
- Control Music: Tap the touchpad to play/pause music. Double-tap for next track.
- Responder chamadas: Tap the touchpad to answer or end a call.
- Activar o 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. Mantemento
5.1 Limpeza
- Regularly clean the earbuds, especially the EarTips and charging contacts, with a soft, dry, lint-free cloth.
- Non use produtos químicos agresivos ou materiais abrasivos.
- Asegúrate de que os auriculares estean completamente secos antes de volvelo colocar na caixa de carga.
5.2 Almacenamento
- Cando non estean en uso, garde os auriculares no seu estoxo de carga para protexelos e mantelos cargados.
- Evite o almacenamento en temperaturas extremas ou alta humidade.
6 Solución de problemas
| Problema | Posible Solución |
|---|---|
| Os auriculares non se emparejan |
|
| Sen son nin baixo volume |
|
| Conexión intermitente |
|
7. Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | A3902 |
| Sensibilidade Audio | 97 dB SPL |
| Rango de frecuencias | 20 Hz - 20 kHz |
| Versión Bluetooth | 5.0 |
| Tempo de reprodución (auriculares) | Ata 7 horas |
| Tempo de reprodución total (co estoxo de carga) | Ata 28 horas |
| Estuche de carga Tempo de carga | Aprox. 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 e funda) |
| Cor | Negro |
| Material | Plástico |
8. Vídeo do produtoview
Mira este vídeo oficial para ver máisview 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 e 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 web ou póñase en contacto directamente co servizo de atención ao cliente.
Soporte en liña: Visita soundcore.com/support para preguntas frecuentes, guías de resolución de problemas e información de contacto.