Introdución
Thank you for choosing the ZIHNIC WH-820 Bluetooth Over-Ear Headphones. These headphones are designed to provide a high-quality audio experience with deep bass, HiFi stereo sound, and the convenience of wireless connectivity. This manual will guide you through the setup, operation, and maintenance of your new headphones.

Image: ZIHNIC WH-820 Bluetooth Over-Ear Headphones with Bluetooth 5.3 technology highlighted.
Contido do paquete
Comprobe se o paquete contén os seguintes elementos:
- ZIHNIC WH-820 Bluetooth Over-Ear Headphones
- Cable de carga (Tipo C)
- Cable de audio de 3.5 mm
- Manual de usuario
Controis e indicadores
Familiarízate cos botóns e portos dos teus auriculares:

Imaxe: Detallada view de controis e portos para auriculares.
- Voice Assistant / EQ Button: Press to activate voice assistant or cycle through EQ modes.
- Botón ON/OFF: Acenda ou apague os auriculares.
- V+/Previous Button: Increase volume or skip to the previous track.
- V-/Next Button: Decrease volume or skip to the next track.
- Indicador LED: Mostra o estado de enerxía, carga e emparellamento.
- Porto de carga tipo C: Para cargar os auriculares.
- Porto de audio de 3.5 mm: Para conexión por cable.
- Micrófono: Micrófono incorporado para chamadas.
Configuración
1. Carga dos auriculares
Before first use, fully charge your headphones. Connect the provided Type-C charging cable to the charging port on the headphones and the other end to a USB power source (e.g., wall adapter, computer USB port). The LED indicator will show charging status and turn off or change color when fully charged. A full charge provides up to 32 hours of playback.
2. Acendido/apagado
- Para acender: Manteña premido o ON/OFF button for approximately 3 seconds until the LED indicator flashes.
- Para apagar: Manteña premido o ON/OFF botón durante aproximadamente 3 segundos ata que o indicador LED se apague.
3. Emparellamento Bluetooth
- Asegúrese de que os auriculares estean apagados.
- Manteña premido o ON/OFF button for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- No teu dispositivo (teléfono intelixente, tableta, PC), activa o Bluetooth e busca os dispositivos dispoñibles.
- Select "ZIHNIC WH-820" from the list of found devices.
- Once paired, the LED indicator will flash blue slowly or remain solid blue.
- The headphones have a Bluetooth range of up to 10 meters (33 feet).
4. Wired Mode (3.5mm Audio Cable)
You can use the headphones in wired mode even when the battery is depleted. Connect one end of the 3.5mm audio cable to the headphone's 3.5mm audio port and the other end to your audio source's 3.5mm jack. In wired mode, Bluetooth functions and button controls on the headphones will be disabled.
Instrucións de funcionamento
1. Basic Music Controls
- Reproducir/Pausa: Prema brevemente o ON/OFF botón.
- Subir volume: Prema brevemente o V+ botón.
- Baixar volume: Prema brevemente o V- botón.
- Próxima pista: Mantén presionado V- botón.
- Pista anterior: Mantén presionado V+ botón.
2. Xestión de chamadas
- Responder/Finalizar chamada: Prema brevemente o ON/OFF botón.
- Rexeitar a chamada: Mantén presionado ON/OFF botón.
- Volver a marcar o último número: Prema dúas veces o ON/OFF botón.
3. Modos de ecualización
The headphones feature 5 different EQ modes to customize your audio experience. Short press the Voice Assistant / EQ button to cycle through the available sound profiles (e.g., Bass Boost, Vocal, Normal, etc.).
4. Activación do asistente de voz
Activate your device's voice assistant (Siri, Google Assistant, etc.) by long pressing the Voice Assistant / EQ button. This allows for hands-free control of your device.

Image: Activating voice assistant with ZIHNIC WH-820 headphones.
Mantemento
- Limpa os auriculares cun pano suave e seco. Non empregues produtos de limpeza abrasivos nin disolventes.
- Evite expoñer os auriculares a temperaturas extremas, humidade ou po.
- Garda os auriculares nun lugar fresco e seco cando non os uses. O deseño pregable permite un almacenamento compacto.
- Non intente desmontar nin modificar os auriculares, xa que isto anulará a garantía.
Resolución de problemas
| Problema | Solución |
|---|---|
| Os auriculares non se acenden. | Asegúrate de que os auriculares estean cargados. Conéctaos a unha fonte de alimentación mediante o cable tipo C. |
| Non se pode emparellar co dispositivo. |
|
| Sen son no modo sen fíos. |
|
| Sen son no modo con cable. |
|
| O micrófono non funciona. |
|
Especificacións
| Característica | Detalle |
|---|---|
| Modelo | WH-820 |
| Marca | ZIHNIC |
| Tecnoloxía de conectividade | Sen fíos (Bluetooth), con cable (conector de 3.5 mm) |
| Versión Bluetooth | 5.3 |
| Alcance Bluetooth | Ata 10 metros (33 pés) |
| Tamaño do controlador | 40 mm |
| Resposta en frecuencia | 20 Hz - 20,000 Hz |
| Duración da batería | Ata 32 horas (reprodución) |
| Tipo de control | Media Control (Tactile buttons) |
| Colocación do oído | Circumaural (Over-Ear) |
| Control de ruído | Illamento acústico |
| Material | Plástico |
| Características especiais | Foldable, 5 EQ Modes, Built-in Microphone |
Garantía e Soporte
For warranty information and customer support, please refer to the warranty card included in your package or contact ZIHNIC customer service directly. Keep your purchase receipt for warranty claims.