1. Producte acabatview
The Callez Bluetooth Single Ear Headset (Model C01) is designed for clear, hands-free communication and high-quality audio playback. It features advanced noise cancellation technology, comfortable ear-hook design, and multi-device connectivity, making it ideal for various uses including online meetings, driving, and daily tasks.

The Callez Bluetooth single ear headset, shown with its compact charging case. The headset features an ear-hook design and an extended microphone boom.
2. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- Callez C01 Wireless Headset
- Cable de càrrega USB (tipus C)
- Funda protectora
- Guia d'usuari
- Ear Tips (L, M, S sizes)
- Sponge Ear Cushions (2 pieces)

An image displaying the complete package contents: the Callez C01 wireless headset, a USB charging cable, a protective case, a user guide, and various sizes of ear tips and sponge ear cushions.
3. Diagrama i controls del producte
Familiarize yourself with the headset's components and control buttons:

Detailed diagram showing the multi-function button (MFB) for power, call control, music playback, and redial. Also highlights volume controls, mute button, voice assistant activation, and the Type-C charging port with dust cover.
- Botó multifunció (MFB): Power On/Off, Answer/End/Reject Call, Play/Pause Music, Redial.
- Volum + botó: Puja el volum, Pista següent.
- Volum - Botó: Baixar el volum, Pista anterior.
- Botó de silenci: Mute/unmute microphone during calls, Activate Voice Assistant.
- Port de càrrega tipus C: For charging the headset, with a dust cover.
- Indicador LED: Mostra l'estat de l'emparellament, l'estat de la càrrega i l'alimentació.
4. Configuració
4.1 Càrrega dels auriculars
Before first use, fully charge the headset. Connect the provided USB Type-C cable to the headset's charging port and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off when fully charged.
- Temps de càrrega: Aproximadament 1.5 hores per a una càrrega completa.
- Temps de conversa: fins a 16 hores.
- Music Playback Time: Up to 20 hours.
- Standby Time: Up to 195 hours.

An infographic detailing the impressive battery life: 16 hours talk time, 20 hours music playback, and 195 hours standby time, with a fast charge time of 1.5 hours.
4.2 Emparellament amb un dispositiu Bluetooth
Follow these steps to pair your headset with your smartphone, tablet, or computer:
- Introduïu el mode de vinculació: With the headset powered off, press and hold the Multi-Function Button (MFB) for approximately 5-7 seconds until the LED indicator flashes blue and red alternately. This indicates the headset is in pairing mode.
- Activa el Bluetooth al teu dispositiu: Go to the Bluetooth settings on your smartphone, tablet, or computer and ensure Bluetooth is turned on.
- Cerca i connecta: In the list of available Bluetooth devices, search for and select "C01".
- Confirmació de connexió: Once connected, the LED indicator on the headset will stop flashing and remain solid blue (or turn off, depending on the model). A voice prompt may also confirm the connection.

A visual guide to pairing the headset: 1. Press and hold the multi-function button until the LED indicator flashes blue and red alternately (pairing mode). 2. Cerca 'C01' on your phone's Bluetooth list and select it. 3. The LED indicator stops flashing, indicating successful connection.
Nota: The headset supports simultaneous connection with two Bluetooth devices. To connect a second device, repeat the pairing process after the first device is connected. The headset will automatically connect to the last paired device when powered on, if it is within range.

This image demonstrates the headset's ability to connect to various Bluetooth devices, including iOS, Android, and Windows devices. It highlights the ease of pairing with two Bluetooth devices simultaneously.
5. Instruccions de funcionament
5.1 Encès/Apagat
- Encès: Manteniu premut el MFB durant 3 segons.
- Apagar: Manteniu premut el MFB durant 5 segons.
5.2 Gestió de trucades
- Respon a la trucada: Premeu breument el MFB.
- Finalitzar la trucada: Premeu breument el botó MFB durant una trucada.
- Rebutja la trucada: Premeu i manteniu premut el botó multifunció durant 2 segons durant una trucada entrant.
- Torna a marcar l'últim número: Premeu dues vegades el MFB.
- Silenciar/activar el micròfon: Short press the Mute button during a call.

A woman is shown using the Callez headset, emphasizing the microphone mute function during calls and compatibility with voice assistants like Siri and Android. This feature allows for hands-free communication, freeing up both hands for other tasks.
5.3 Reproducció de música
- Reproduir/pausa: Premeu breument el MFB.
- Pista següent: Premeu llargament el botó Volum +.
- Pista anterior: Premeu llargament el botó de volum -.
5.4 Control de volum
- Augmenta el volum: Premeu breument el botó Volum +.
- Disminueix el volum: Premeu breument el botó de volum -.
5.5 Voice Assistant (Siri/Android)
Activate your device's voice assistant by short pressing the Mute button when not on a call. This allows for voice commands and hands-free operation.
5.6 Com portar els auriculars
The headset is designed for comfortable wear on both the left and right ears. The ear hook can rotate 180 degrees, and the microphone boom can rotate 270 degrees to adjust for optimal positioning.

This image illustrates the headset's versatility, showing it can be comfortably worn on either the left or right ear. It also highlights the included L, M, S ear tips and the 270° microphone rotation and 180° ear hook rotation for optimal fit and positioning.
For an unstable fit, two sponge ear cushions are included. These can be attached to the outside of the L/M/S ear tips to improve stability and comfort.
6. Manteniment
To ensure the longevity and optimal performance of your Callez headset, follow these maintenance guidelines:
- Neteja: Netegeu els auriculars amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Store the headset in its protective case when not in use to prevent damage from dust, moisture, and impacts.
- Temperatura: Avoid exposing the headset to extreme temperatures (hot or cold) or direct sunlight for extended periods.
- Humitat: Keep the headset dry. Do not immerse it in water or expose it to excessive humidity. The charging port has a dust cover for protection.
- Cura de la bateria: For long-term storage, charge the headset at least once every three months to maintain battery health.
7. Solució De Problemes
Si teniu problemes amb els auriculars, consulteu els problemes i solucions més comuns següents:
| Problema | Causa possible | Solució |
|---|---|---|
| Cannot find headset on phone's Bluetooth list | Headset not in pairing mode; Bluetooth error on phone. | Ensure MFB is pressed until LED flashes blue/red. Reset headset (press Volume - and Mute simultaneously until red/blue LED flashes twice, then powers off). Delete existing pairing data on phone and restart phone. |
| No hi ha so dels auriculars | Headset not properly connected; out of range; connected to another device. | Verify headset is correctly connected to your phone. Ensure headset and phone are within 10m. Check if phone is connected to another Bluetooth device. |
| Call quality issues (e.g., dropped calls) | Interference from Wi-Fi; high-quality sound effect settings. | Bluetooth is wireless communication, recording is not recommended. If high-quality sound effects are selected in phone settings, calls may be interrupted due to Wi-Fi interference. This is not a product defect. |
| Microphone mute not working on computer | Mute function not supported on computer devices. | The microphone mute function is not supported when connected to computer devices. |
| Volume adjustment issues | Volume synchronization differences between devices. | For iOS: Headset and iOS device volumes are synchronized. Adjust from either. For Android: Headset and Android device volumes are not synchronized. You can increase Android volume even if headset volume is max. |

A man wearing the Callez headset in an office setting, demonstrating the effectiveness of the dual microphone ENC and CVC8.0 noise cancellation technology for clear communication.
8. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | C01 |
| Control de soroll | Hybrid Noise Cancelling (ENC + CVC8.0 Dual Mic) |
| Tecnologia de connectivitat | Sense fil (Bluetooth) |
| Tecnologia de comunicació sense fils | Bluetooth |
| Suport de còdec d'àudio | aptX HD, SBC |
| Components inclosos | Cable, Protective Case, Instruction Manual |
| Edat objectiu | Adult |
| Pes del producte | 100 grams |
| Tipus de bateria | Polímer de liti (1 inclòs) |
| Color | Negre |
| Col·locació de l'orella | In-Ear (Ear-hook style) |
| Impedància | 32 ohms |
9. Garantia i Suport
Callez is committed to providing excellent after-sales service. Your product comes with the following assurances:
- 45-Day Refund Period: Si no esteu satisfets amb el producte, podeu optar a un reemborsament en un termini de 45 dies des de la compra.
- Garantia de qualitat de 24 mesos: The product is covered by a 24-month warranty against manufacturing defects.
If you encounter any issues with the product, please contact our after-sales service team before initiating a return or leaving a review. We are dedicated to resolving any problems you may experience.
For support, please visit the Callez store on Amazon or contact us through the Amazon messaging system.



