1. Introducció
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. Què hi ha a la caixa
- LEVN CT003 Wireless Headset with Microphone
- Cable de càrrega USB tipus C
- Manual d'usuari

Image: The LEVN CT003 Bluetooth Headset shown with its retail box and charging stand.
3. Característiques del producte
- 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.
- Rendiment de la bateria ampliat: 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).
- Connexió de dispositiu dual: Pair with two devices simultaneously, allowing seamless switching between work calls and personal audio.
- Comoditat durant tot el dia: Features memory foam ear pads, an adjustable headband, and a 270° swivel microphone for a personalized and comfortable fit during long sessions.
- Controls intuïtius: 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. Configuració
4.1 Càrrega dels auriculars
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 Engegada/apagada
- Encès: Press and hold the Multi-functional Button (MFB) for approximately 3 seconds until the LED indicator flashes.
- Apagar: Premeu i manteniu premut el botó multifunció durant aproximadament 5 segons fins que l'indicador LED s'apagui.
4.3 Vinculació Bluetooth
- Assegureu-vos que els auriculars estan apagats.
- Press and hold the MFB for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- Al dispositiu (telèfon intel·ligent, ordinador, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "LEVN CT003" from the list of devices.
- Un cop connectat, l'indicador LED parpellejarà blau lentament.
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. Instruccions de funcionament
5.1 Controlsview

Imatge: Una imatge detallada view of the headset highlighting the location and function of the Volume buttons, Multi-functional Button (MFB), and Mute Button.
- Multi-functional Button (MFB):
- Un sol clic: Reprodueix/Pausa la música.
- Short press (1 second): Answer/End a call.
- Long press (2 seconds): Reject a call.
- Botons de volum (+/-):
- Short press: Adjust volume up or down.
- Botó de silenci:
- Double-click: Mute/Unmute the microphone during a call.
5.2 Microphone Adjustment
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. Manteniment
- Netegeu els auriculars regularment amb un drap suau i sec.
- Eviteu exposar els auriculars a temperatures extremes, humitat o substàncies corrosives.
- Do not attempt to disassemble or modify the headset, as this will void the warranty.
- Guardeu els auriculars en un lloc fresc i sec quan no els feu servir.
7. Solució De Problemes
| Problema | Possible solució |
|---|---|
| Els auriculars no s'encenen | Ensure the headset is fully charged. Press and hold the MFB for 3 seconds. |
| No es pot emparellar amb el dispositiu | 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. |
| Sense àudio o mala qualitat d'àudio | Check device volume and headset volume. Ensure the headset is within the 49ft operating range. Re-pair the headset. |
| El micròfon no funciona | Ensure the microphone is not muted (double-click the mute button). Check microphone settings on your connected device. |
| Connexió intermitent | Move closer to your connected device. Avoid strong electromagnetic interference (e.g., microwaves). |
8. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | CT003 |
| Tecnologia de connectivitat | Sense fil (Bluetooth) |
| Versió Bluetooth | 5.3 |
| Interval Bluetooth | 49 peus (15 metres) |
| Durada de la bateria (temps de conversa) | Fins a 8 hores |
| Durada de la bateria (mode d'espera) | 60 hores |
| Control de soroll | Active Noise Cancellation (AI-powered) |
| Col·locació de l'orella | A l'orella |
| Micròfon | 270° giratori |
| Components inclosos | Wireless headset with mic, Type-C cable |
| Pes de l'article | 8.4 unces (0.24 quilograms) |
| Dimensions del producte | 7.09 x 5.91 x 9.65 polzades |
9. Garantia i Suport
For warranty information and technical support, please refer to the documentation included with your product or visit the official LEVN weblloc. Conserveu el rebut de compra per a reclamacions de garantia.



