1. Introducción
Thank you for choosing the LEVN CT003 Bluetooth Headset. This headset is designed for clear communication and comfortable wear, featuring advanced AI noise cancellation, Bluetooth 5.3 connectivity, and extended battery life. This manual provides essential information for setting up, operating, and maintaining your headset.
2. ¿Qué hay en la caja?
- LEVN CT003 Wireless Headset with Microphone
- Cable de carga USB-C
- Manual de usuario

Image: The LEVN CT003 Bluetooth Headset shown with its retail box and charging stand.
3. Características del producto
- AI-Powered Acoustic Clarity: Equipped with AI noise-cancellation technology, this headset intelligently adapts to various environments, blocking out up to 99% of background noise for clear communication.
- Rendimiento extendido de la batería: A high-efficiency battery provides up to 60 hours of standby time and approximately 8 hours of uninterrupted talk time.
- Next-Generation Bluetooth 5.3 Connectivity: Ensures an ultra-fast and stable connection with a range of up to 49 feet (15 meters).
- Conexión de dispositivo dual: Pair with two devices simultaneously, allowing seamless switching between work calls and personal audio.
- Comodidad durante todo el día: Features memory foam ear pads, an adjustable headband, and a 270° swivel microphone for a personalized and comfortable fit during long sessions.
- Controles intuitivos: Multi-functional button (MFB) for call and music management, and a dedicated mute function activated by a simple double-click.

Image: Visual representation of AI Environmental Noise Cancellation, showing a noisy waveform before and a clean waveform after processing.

Image: A graphic highlighting the 60-hour working time, 2-hour charging time, and 49ft operation range of the headset.

Image: The headset positioned between a laptop and a smartphone, illustrating its ability to connect to two devices simultaneously using Bluetooth 5.3.

Image: A person wearing the headset, with insets demonstrating the adjustable headband, rotatable earmuffs, and 270-degree rotatable microphone for comfort.
4. Configuración
4.1 Carga de los auriculares
Before first use, fully charge the headset. Connect the provided USB Type-C cable to the charging port on the headset and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off or change color when fully charged.
4.2 Encendido / Apagado
- Encendido: Press and hold the Multi-functional Button (MFB) for approximately 3 seconds until the LED indicator flashes.
- Apagado: Mantenga presionado el MFB durante aproximadamente 5 segundos hasta que el indicador LED se apague.
4.3 Emparejamiento Bluetooth
- Asegúrese de que los auriculares estén apagados.
- Press and hold the MFB for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- En su dispositivo (teléfono inteligente, computadora, etc.), habilite Bluetooth y busque los dispositivos disponibles.
- Select "LEVN CT003" from the list of devices.
- Una vez conectado, el indicador LED parpadeará en azul lentamente.
The headset supports dual device connection. After connecting to the first device, put the headset back into pairing mode and connect to the second device. The headset will automatically connect to both devices when powered on.
5. Instrucciones de funcionamiento
5.1 controles sobreview

Imagen: Un detalle view of the headset highlighting the location and function of the Volume buttons, Multi-functional Button (MFB), and Mute Button.
- Botón multifunción (MFB):
- Un solo clic: reproducir/pausar música.
- Short press (1 second): Answer/End a call.
- Long press (2 seconds): Reject a call.
- Botones de volumen (+/-):
- Short press: Adjust volume up or down.
- Botón de silencio:
- Double-click: Mute/Unmute the microphone during a call.
5.2 Ajuste del micrófono
The microphone arm can be rotated 270° to position it optimally for your voice or to wear the headset on either ear. Adjust the microphone close to your mouth for best voice pickup.
6. Mantenimiento
- Limpie los auriculares periódicamente con un paño suave y seco.
- Avoid exposing the headset to extreme temperatures, moisture, or corrosive substances.
- No intente desmontar ni modificar los auriculares, ya que esto anulará la garantía.
- Guarde los auriculares en un lugar fresco y seco cuando no los utilice.
7. Solución de problemas
| Asunto | Posible solución |
|---|---|
| El auricular no se enciende | Ensure the headset is fully charged. Press and hold the MFB for 3 seconds. |
| No se puede emparejar con el dispositivo | Ensure the headset is in pairing mode (red and blue flashing LED). Turn off and on Bluetooth on your device. Clear previous Bluetooth connections on your device. |
| Sin audio o mala calidad de audio | Check device volume and headset volume. Ensure the headset is within the 49ft operating range. Re-pair the headset. |
| El micrófono no funciona | Ensure the microphone is not muted (double-click the mute button). Check microphone settings on your connected device. |
| Conexión intermitente | Move closer to your connected device. Avoid strong electromagnetic interference (e.g., microwaves). |
8. Especificaciones
| Característica | Detalle |
|---|---|
| Nombre del modelo | CT003 |
| Tecnología de conectividad | Inalámbrico (Bluetooth) |
| Versión de Bluetooth | 5.3 |
| Alcance de Bluetooth | 49 pies (15 metros) |
| Duración de la batería (tiempo de conversación) | Hasta 8 horas |
| Duración de la batería (en espera) | 60 horas |
| Control de ruido | Active Noise Cancellation (AI-powered) |
| Colocación de orejas | En la oreja |
| Micrófono | Giratorio 270° |
| Componentes incluidos | Wireless headset with mic, Type-C cable |
| Peso del artículo | 8.4 onzas (0.24 kilogramos) |
| Dimensiones del producto | 7.09 x 5.91 x 9.65 pulgadas |
9. Garantía y soporte
For warranty information and technical support, please refer to the documentation included with your product or visit the official LEVN websitio. Guarde su recibo de compra para reclamos de garantía.