1. Sarrera
Thank you for choosing the Sennheiser CX 350BT Bluetooth Neckband Earphones. These earphones are designed to provide high-quality audio and convenient wireless connectivity. This manual provides essential information for setting up, operating, and maintaining your device.
2. Paketearen edukia
Ziurtatu elementu guztiak paketean daudela:
- Sennheiser CX 350BT Earphones
- USB-C kargatzeko kablea
- Ear Adapter Set (XS, S, M, L)
- Gida azkarra eta segurtasun gida

Image: Sennheiser CX 350BT Earphones, showing the neckband design and earbuds.
3. Konfigurazioa
3.1 Entzungailuak kargatzea
Before first use, fully charge the earphones. Connect the USB-C charging cable to the charging port on the neckband and to a USB power source. The LED indicator will show charging status. A full charge provides up to 10 hours of battery life.

Irudia: Gertuko planoa view of the CX 350BT neckband, highlighting the charging port and battery unit.
3.2 Bluetooth gailu batekin parekatzea
- Ziurtatu entzungailuak itzalita daudela.
- Press and hold the multi-function button until the LED flashes blue and red, indicating pairing mode.
- Zure gailuan (smartphone-an, tabletan, etab.), gaitu Bluetooth-a eta bilatu eskuragarri dauden gailuak.
- Select "Sennheiser CX 350BT" from the list.
- Once connected, the LED will flash blue.
The CX 350BT supports Bluetooth 5.0 and can maintain a stable connection up to 30 meters. It also supports multi-connection, allowing you to connect to two devices simultaneously.

Image: Graphic representing transparent connectivity, indicating easy Bluetooth pairing.
3.3 Fitting the Earphones
Select the appropriate ear adapter size for a secure and comfortable fit. A good seal is crucial for optimal sound quality and bass response. Gently insert the earbuds into your ear canals and adjust the neckband for comfort.

Image: A person wearing the CX 350BT earphones, demonstrating proper fit and usage.
3.4 Sennheiser Smart Control aplikazioa
Download the Sennheiser Smart Control app for additional features, including equalizer adjustments and firmware updates. The app allows you to customize your audio experience.

Image: A smartphone displaying the Sennheiser Smart Control app, illustrating customization options.
4. Entzungailuen erabilera
4.1 Piztu/Itzali
- Piztu: Sakatu eta eutsi funtzio anitzeko botoia 2 segundoz. LEDa urdinez keinuka hasiko da.
- Itzali: Sakatu eta eutsi funtzio anitzeko botoia 4 segundoz. LEDa gorriz keinuka hasiko da eta gero itzali egingo da.
4.2 Using the 3-Button Remote Control
The earphones feature an intuitive 3-button remote control located on the neckband for easy management of music and calls.

Irudia: Xehetasun handikoa view of the 3-button remote control on the earphone cable.
- Erreproduzitu/Pausatu: Sakatu erdiko botoia behin.
- Hurrengo ibilbidea: Sakatu '+' botoia behin.
- Aurreko pista: Sakatu '-' botoia behin.
- Bolumena igo: Sakatu eta eutsi '+' botoiari.
- Bolumena jaitsi: Sakatu eta eutsi '-' botoiari.
- Deia erantzun/amaitu: Sakatu erdiko botoia behin.
- Deia baztertu: Eduki sakatuta erdiko botoia 2 segundoz.
- Aktibatu Ahots Laguntzailea: Press the dedicated voice assistant button (usually located above the '+' button).
5. Mantentzea
5.1 Garbiketa
Regularly clean the earphones to ensure optimal performance and hygiene.
- Use a soft, dry cloth to wipe the earbuds and neckband.
- Remove ear adapters and clean them with mild soap and water. Ensure they are completely dry before reattaching.
- Ez erabili garbiketa-agente edo disolbatzaile gogorrak.
5.2 Biltegiratzea
When not in use, store the earphones in a clean, dry place away from extreme temperatures and direct sunlight.
5.3 Urarekiko erresistentzia
The Sennheiser CX 350BT earphones are water-resistant. This means they can withstand splashes and light rain, but they are not designed for submersion in water. Avoid exposing them to heavy rain or showering with them.
6. Arazoak
Entzungailuekin arazoak badituzu, jo ezazu honako ohiko irtenbide hauetara:
- Soinurik ez: Ensure the earphones are powered on, paired correctly, and the volume is not muted on either the earphones or the connected device.
- Soinu kalitate eskasa: Check the ear adapter fit for a proper seal. Ensure there are no obstructions between the earphones and the connected device. Try adjusting the equalizer settings in the Sennheiser Smart Control app.
- Konexio-arazoak: Ensure Bluetooth is enabled on your device and the earphones are within range (up to 30 meters). Try unpairing and re-pairing the earphones.
- Entzungailuak ez dira kargatzen: Verify the charging cable is securely connected to both the earphones and the power source. Ensure the power source is active.
- Mikrofonoaren arazoak: Ensure the microphone is not obstructed and is positioned correctly. If using for calls, ensure the earphones are selected as the audio input device on your phone.
For further assistance, consult the Sennheiser Smart Control app for firmware updates or visit the official Sennheiser support webgunea.
7. Zehaztapenak
| Marka | Sennheiser |
| Ereduaren izena | CX 350BT |
| Kolorea | Zuria |
| Belarrien Kokatzea | Belarri barnean |
| Forma-faktorea | Belarri barnean |
| Zarata Kontrola | Isolamendu akustikoa |
| Konektibitate Teknologia | Haririk gabeko (Bluetooth) |
| Haririk gabeko Komunikazio Teknologia | Bluetootha |
| Bluetooth bertsioa | 5.0 |
| Bluetooth barrutia | 30 metro |
| Bateriaren iraupena (batez bestekoa) | 10 ordu |
| Kargatzeko Denbora | 10 Hours (Note: This likely refers to total usage time, not charging time. Please refer to product packaging for accurate charging time.) |
| Audio kontrolatzaile mota | Gidari dinamikoa |
| Maiztasun barrutia | 20 Hz - 20,000 Hz |
| Materiala | Silicone (ear adapters) |
| Uraren Erresistentzia Maila | Urarekiko erresistentea |
| Elementuaren pisua | 13 gramo |
8. Bermea eta Laguntza
Sennheiser products are manufactured to the highest quality standards. For information regarding warranty terms and conditions, please refer to the warranty card included in your package or visit the official Sennheiser website. For technical support or service inquiries, please contact Sennheiser customer service.
Official Sennheiser Webgunea: www.sennheiser.com





