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The OneOdio A3 headphones are designed to provide a superior audio experience with Active Noise Cancelling (ANC) technology and aptX Low Latency support. These wireless over-ear headphones feature a built-in microphone for hands-free calls, comfortable protein ear pads, and a foldable design for portability. They are suitable for various uses including travel, work, and entertainment.
Característiques principals:
- Cancel·lació activa de soroll: Effectively reduces low-frequency background noise for an immersive listening experience.
- aptX Baixa latència: Minimizes audio delay for synchronized sound with video.
- Connectivitat Bluetooth 4.1: Provides stable and quick wireless connection.
- Micròfon integrat: Permet trucades de mans lliures nítides.
- Disseny còmode: Features soft protein ear cushions and 90-degree swiveling ear cups for extended wear.
- Plegable i portàtil: Easy to store and carry with the included compact case.
- Llarga vida útil de la bateria: Up to 15 hours with ANC+BT, or 18 hours with BT only.

Imatge: Frontal view of the OneOdio A3 Active Noise Cancelling Bluetooth Headphones, showcasing el seu elegant disseny negre i el seu factor de forma supraaural.
Contingut del paquet
Upon opening your OneOdio A3 headphones package, you should find the following items:
- OneOdio A3 Headphones
- Cable de càrrega USB
- Cable d'àudio de 3.5 mm
- Estoig de transport compacte
- Manual d'usuari
- Airplane Adapter (if included in specific regional packages)

Image: Contents of the OneOdio A3 headphone package, including the headphones, compact case, charging cable, audio cable, and user manual.
Configuració
1. Càrrega dels auriculars
Before first use, fully charge your OneOdio A3 headphones. Connect the provided USB charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.
- Temps de càrrega: Aproximadament 2 hores per a una càrrega completa.
- Indicador LED: Red light indicates charging, blue light indicates fully charged.
2. Encès / apagat
- Encès: Press and hold the Multi-function Button for 3 seconds until the LED indicator flashes blue.
- Apagar: Press and hold the Multi-function Button for 3 seconds until the LED indicator turns off.
3. Emparellament Bluetooth
Per connectar els auriculars sense fil a un dispositiu:
- Assegureu-vos que els auriculars estiguin apagats.
- Press and hold the Multi-function Button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for "OneOdio A3" in the list of available devices.
- Select "OneOdio A3" to connect. Once connected, the LED indicator will flash blue slowly.
NFC Pairing (if supported by your device):
With NFC enabled on your device, simply tap your device against the NFC area on the left earcup of the headphones to initiate pairing. Follow any on-screen prompts.
Instruccions de funcionament

Image: Diagram illustrating the location and function of buttons and ports on the OneOdio A3 headphones, including the Multi-function Button, volume controls, ANC button, and 3.5mm Aux Port.
Funcions del botó:
| Botó/Control | Funció |
|---|---|
| Botó multifunció |
|
| Puja el volum (+) |
|
| Baixar el volum (-) |
|
| Botó ANC |
|
| Port auxiliar de 3.5 mm | Connect for wired listening (ANC can still be used). |
Cancel·lació activa de soroll (ANC)
The ANC feature reduces ambient low-frequency noise. To activate or deactivate ANC, press the dedicated ANC button. The ANC indicator light will illuminate when ANC is active.
Note: ANC is most effective at reducing consistent low-frequency sounds like engine hums, air conditioning noise, or train sounds. It may not completely eliminate sudden or high-frequency noises like voices or car horns.

Image: Visual representation of the Active Noise Cancelling feature on the OneOdio A3 headphones, showing how it reduces ambient noise.
Mode per cable
You can use the OneOdio A3 headphones in wired mode by connecting the provided 3.5mm audio cable to the headphone's Aux port and your audio source. This mode is useful when the battery is low or for devices without Bluetooth. ANC can still be activated in wired mode.
Manteniment i cura
- Neteja: Feu servir un drap suau i sec per netejar els auriculars. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: When not in use, store the headphones in their compact carrying case to protect them from dust and damage.
- Durada de la bateria: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly.
- Comoditat: For optimal comfort during long listening sessions, it is recommended to take off the headphones every 2-3 hours to allow your ears to rest.
- Resistència a l'aigua: The headphones have an IPX4 waterproof rating, meaning they are resistant to splashing water. Do not submerge them in water or expose them to heavy rain.
Resolució de problemes
No Power / Cannot Turn On:
- Assegureu-vos que els auriculars estiguin completament carregats. Connecteu-los a una font d'alimentació i comproveu l'indicador LED.
Cannot Pair with Bluetooth Device:
- Make sure the headphones are in pairing mode (LED flashing red and blue alternately).
- Ensure Bluetooth is enabled on your device and it is within 10 meters (33 feet) of the headphones.
- Try forgetting "OneOdio A3" from your device's Bluetooth list and re-pairing.
- Reinicieu els auriculars i el dispositiu.
Sense so / Volum baix:
- Comproveu els nivells de volum tant dels auriculars com del dispositiu connectat.
- Assegureu-vos que els auriculars estiguin connectats correctament mitjançant Bluetooth o el cable d'àudio de 3.5 mm.
- If using wired mode, ensure the cable is fully inserted into both ports.
ANC no funciona eficaçment:
- Ensure the ANC feature is turned on (ANC indicator light is illuminated).
- Remember that ANC is most effective against consistent low-frequency noises and may not eliminate all sounds.
Especificacions
| Característica | Detall |
|---|---|
| Nom del producte | OneOdio A3 (aptX Low Latency Active Noise Cancelling Headphones) |
| Model | A3 |
| Control de soroll | Cancel·lació activa del soroll |
| Versió Bluetooth | V4.1 |
| Interval Bluetooth | 10 m / 33 peus |
| Diàmetre del conductor | 40 mm |
| Impedància | 32Ω |
| Resposta de freqüència | 20-20 kHz |
| Using Time (ANC+BT) | Fins a 15 hores |
| Using Time (BT only) | Fins a 18 hores |
| Temps de càrrega | Aproximadament 2 hores |
| Pes net | 165 g |
| Classificació impermeable | IPX4 |
| Conector d'auriculars | 3.5 mm Jack |
| Format de micròfon | Integrat |
| Dimensions del producte | 15 x 22 x 5 cm |
Garantia i Suport
Informació de la garantia:
The OneOdio A3 headphones come with a 2 mesos de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
Atenció al client:
For any questions, technical assistance, or warranty claims, please contact OneOdio customer support. You can find more information and contact details on the official OneOdio store page:





