1. Producto terminadoview
The HIFI WALKER H20 Ultra is a high-resolution digital audio player designed for audiophiles. It features advanced audio processing, versatile connectivity, and a user-friendly interface, delivering studio-grade sound quality in a portable form factor.

2. Contenido del paquete
Verifique que todos los artículos enumerados a continuación estén incluidos en su paquete:
- H20 Ultra MP3 Player
- Cable de datos USB-C
- Tarjeta 128GB TF
- Bolsa de almacenamiento de terciopelo
- Manual de usuario

3. Disposición y controles del dispositivo
Familiarize yourself with the physical layout and controls of your H20 Ultra player.
Controles laterales

- Perilla de volumen: Rotatable knob for precise volume adjustment.
- Botón de encendido: Press and hold to power on/off. Short press to toggle screen on/off.
- Botones de pista anterior/siguiente: Navegar entre pistas.
- Botón de reproducción/pausa: Controlar la reproducción de música.
Puertos superior e inferior

- Salida de un solo extremo de 3.5 mm: Conector para auriculares estándar.
- Salida balanceada de 4.4 mm: For high-fidelity audio with compatible headphones.
- Puerto USB-C: Para cargar, transferir datos y funcionalidad USB DAC.
- Ranura para tarjeta microSD: Para almacenamiento expandible hasta 1TB.
4. Configuración
4.1 Carga del dispositivo
Before first use, fully charge your H20 Ultra. Connect the provided USB-C cable to the device and a compatible USB power adapter (not included). The device supports 3-hour fast charging and offers up to 36 hours of playback on a full charge.

4.2 Inserción de la tarjeta MicroSD
The H20 Ultra comes with 128GB of internal storage and supports expandable storage via a microSD card up to 1TB. Gently insert the microSD card into the designated slot until it clicks into place.
4.3 Encendido / Apagado
Press and hold the Power button on the side of the device for a few seconds to power it on or off. A short press will toggle the screen on or off during operation.
4.4 Selección inicial del idioma
Upon first startup, you will be prompted to select your preferred language from the touchscreen interface.
5. Instrucciones de funcionamiento
5.1 Navegación por la interfaz de usuario
The H20 Ultra features a 4-inch full touchscreen with an intuitive UI. Navigate through menus and options by tapping and swiping. Physical buttons on the side provide quick access to playback controls and volume adjustment.

5.2 Reproducción de música
The H20 Ultra supports a wide array of high-resolution audio formats, including DSD, FLAC, WAV, ALAC, APE, M4A, and MP3. It offers native DSD256 decoding and PCM up to 768kHz/32bit.

Navegando Música
Access your music library through categories such as All Songs, Folders, Albums, Artists, and Genres. You can also create and manage playlists.
Ajustes del ecualizador
Customize your audio experience with the built-in equalizer. Choose from preset modes (e.g., Pop, Blues, Classic, Jazz, Rock, Dance, Metal, Voice) or create a custom profile para adaptarse a sus preferencias.

5.3 Conectividad Bluetooth
The H20 Ultra features Bluetooth 5.2 with support for aptX HD and LDAC codecs, ensuring high-resolution wireless audio streaming. It supports both transmitter (TX) and receiver (RX) modes.

Emparejamiento con dispositivos Bluetooth
- Ir a Ajustes > Configuración inalámbrica > Bluetooth.
- Activar o desactivar Bluetooth ON.
- Seleccionar Escaneo de Bluetooth to search for available devices.
- Seleccione el dispositivo que desee de la lista para emparejar.
5.4 Conectividad Wi-Fi
The device supports Wi-Fi for firmware updates and receiving songs wirelessly. To connect to Wi-Fi, navigate to Ajustes > Configuración inalámbrica > Wifi, turn it ON, and select your network.
5.5 Funcionalidad del DAC USB
The H20 Ultra can function as a USB DAC, allowing it to process digital audio from your computer or other devices for enhanced sound quality. Connect the device to your computer via the USB-C cable and select the USB DAC mode in the settings.
6. Mantenimiento
6.1 Cuidado de la batería
To prolong battery life, avoid fully discharging the device frequently. Charge the 3000mAh battery regularly. The device supports up to 36 hours of playback and 3-hour fast charging.
6.2 Limpieza
Utilice un paño suave y seco para limpiar el dispositivo. Evite utilizar productos químicos agresivos o materiales abrasivos que puedan dañar la pantalla o el cristal.asing.
6.3 actualizaciones de firmware
Revise periódicamente las actualizaciones de firmware para garantizar un rendimiento óptimo y acceder a nuevas funciones. Conecte el dispositivo a una red Wi-Fi y navegue hasta Ajustes > Configuración del sistema > Actualización de firmware.
7. Solución de problemas
- El dispositivo no enciende: Asegúrese de que el dispositivo esté completamente cargado. Conéctelo a una fuente de alimentación y vuelva a intentarlo.
- Sin sonido: Check headphone connections (3.5mm or 4.4mm) and ensure volume is not muted or too low. Verify that the correct output mode is selected.
- Problemas de conexión Bluetooth: Ensure Bluetooth is enabled on both the H20 Ultra and the pairing device. Try unpairing and re-pairing the devices. Move closer to the Bluetooth device to reduce interference.
- Files no reconocido: Asegurar audio files are in a supported format. Verify that the microSD card is properly inserted and not corrupted. Try updating the music database via settings.
- La pantalla táctil no responde: Reinicia el dispositivo. Si el problema persiste, restablece la configuración de fábrica (nota: esto borrará todos los datos).
8. Especificaciones
| Número de modelo del artículo | H20 Ultra |
| Marca | Andador de alta fidelidad |
| microprocesador DAC | ES ES9038Q2M |
| Capacidad de almacenamiento de memoria | 128 GB (ampliable hasta 1 TB mediante microSD) |
| Tecnología de conectividad | Bluetooth 5.2 (aptX HD, LDAC), USB-C, Wi-Fi |
| Tamaño de pantalla | 4 pulgadas |
| Batería | 3000 mAh (hasta 36 horas de reproducción) |
| Salida de audio | 3.5 mm de un solo extremo, 4.4 mm equilibrado |
| Formatos de audio compatibles | DSD256, PCM up to 768kHz/32bit, WAV, FLAC, ALAC, APE, M4A, MP3, etc. |
| Peso del artículo | 14.4 onzas |
| Fabricante | Andador de alta fidelidad |
9. Garantía y soporte
For warranty information and customer support, please refer to the specific warranty card included in your product package or visit the official HIFI WALKER website. The manufacturer is HIFI WALKER.