1. Johdanto
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. Pakkauksen sisältö
Varmista, että pakkauksessa on kaikki tarvittavat osat:
- Sennheiser CX 350BT Earphones
- USB-C latauskaapeli
- Ear Adapter Set (XS, S, M, L)
- Pikaopas ja turvallisuusopas

Image: Sennheiser CX 350BT Earphones, showing the neckband design and earbuds.
3. Asennus
3.1 Kuulokkeiden lataaminen
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.

Kuva: Lähikuva view of the CX 350BT neckband, highlighting the charging port and battery unit.
3.2 Pariliitos Bluetooth-laitteen kanssa
- Varmista, että kuulokkeet on sammutettu.
- Press and hold the multi-function button until the LED flashes blue and red, indicating pairing mode.
- Ota Bluetooth käyttöön laitteellasi (älypuhelin, tabletti jne.) ja hae käytettävissä olevia laitteita.
- Select "Sennheiser CX 350BT" from the list.
- Kun yhteys on muodostettu, LED-valo vilkkuu sinisenä.
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 Kuulokkeiden sovittaminen
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 App
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. Kuulokkeiden käyttö
4.1 Virta päälle/pois
- Virta päälle: Paina monitoimipainiketta ja pidä sitä painettuna 2 sekunnin ajan. LED-valo vilkkuu sinisenä.
- Virta pois: Paina monitoimipainiketta ja pidä sitä painettuna 4 sekuntia. LED-valo vilkkuu punaisena ja sammuu sitten.
4.2 Kolmipainikkeisen kaukosäätimen käyttö
The earphones feature an intuitive 3-button remote control located on the neckband for easy management of music and calls.

Kuva: Yksityiskohtainen view of the 3-button remote control on the earphone cable.
- Toista/tauko: Paina keskipainiketta kerran.
- Seuraava kappale: Paina '+'-painiketta kerran.
- Edellinen kappale: Paina kerran '-'-painiketta.
- Ääni kovemmalle: Paina ja pidä pohjassa '+'-painiketta.
- Äänenvoimakkuutta pienemmälle: Paina ja pidä '-'-painiketta painettuna.
- Puhelun vastaaminen/lopetus: Paina keskipainiketta kerran.
- Hylkää puhelu: Paina keskipainiketta 2 sekunnin ajan.
- Aktivoi Voice Assistant: Press the dedicated voice assistant button (usually located above the '+' button).
5. Huolto
5.1 Puhdistus
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.
- Älä käytä voimakkaita puhdistusaineita tai liuottimia.
5.2 Varastointi
When not in use, store the earphones in a clean, dry place away from extreme temperatures and direct sunlight.
5.3 Vedenkestävyys
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. Vianmääritys
Jos kuulokkeissasi on ongelmia, katso seuraavia yleisiä ratkaisuja:
- Ei ääntä: Ensure the earphones are powered on, paired correctly, and the volume is not muted on either the earphones or the connected device.
- Huono äänenlaatu: 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.
- Yhteysongelmat: Ensure Bluetooth is enabled on your device and the earphones are within range (up to 30 meters). Try unpairing and re-pairing the earphones.
- Kuulokkeet eivät lataudu: Verify the charging cable is securely connected to both the earphones and the power source. Ensure the power source is active.
- Mikrofoniongelmat: 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 websivusto.
7. Tekniset tiedot
| Merkki | Sennheiser |
| Mallin nimi | CX 350BT |
| Väri | Valkoinen |
| Korvien sijoitus | Korvassa |
| Muototekijä | Korvassa |
| Melunhallinta | Akustinen eristys |
| Yhteystekniikka | Langaton (Bluetooth) |
| Langaton viestintätekniikka | Bluetooth |
| Bluetooth-versio | 5.0 |
| Bluetooth-alue | 30 metriä |
| Akun kesto (keskimäärin) | 10 tuntia |
| Latausaika | 10 Hours (Note: This likely refers to total usage time, not charging time. Please refer to product packaging for accurate charging time.) |
| Ääniohjaimen tyyppi | Dynaaminen ohjain |
| Taajuusalue | 20 Hz–20,000 XNUMX Hz |
| Materiaali | Silicone (ear adapters) |
| Vedenkestävyystaso | Vedenkestävä |
| Tuotteen paino | 13 grammaa |
8. Takuu ja tuki
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 Websivusto: www.sennheiser.com