1. Uvod
Welcome to the user manual for your Sennheiser CX 120BT Wireless Bluetooth In-Ear Neckband Headphones. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read these instructions carefully to ensure optimal performance and longevity of your headphones.
The CX 120BT headphones offer high-quality audio with aptX and SBC codec support, including aptX Low Latency for synchronized sound. Featuring Bluetooth 4.1 technology, a 6-hour battery life, and an intuitive three-button remote, these headphones are designed for comfort and convenience.
2. Varnostne informacije
To prevent damage to your hearing or the device, please observe the following safety instructions:
- Zaščita sluha: Izogibajte se dolgotrajnemu poslušanju pri visoki glasnosti, da preprečite poškodbe sluha.
- Varnost baterije: Do not expose the battery to excessive heat, direct sunlight, or fire. Do not disassemble or modify the battery.
- Vodoodpornost: Te slušalke so ni vodoodporenIzogibajte se izpostavljanju dežju, vlagi ali tekočinam.
- Čiščenje: Clean the headphones only with a soft, dry cloth. Do not use liquid cleaners.
- Nevarnost zadušitve: Keep the headphones and accessories out of reach of small children and pets to prevent choking hazards.
3. Vsebina paketa
Preverite, ali vaš paket vsebuje naslednje elemente:
- Sennheiser CX 120BT earphones
- Three interchangeable ear tip sizes (S, M, L)
- Polnilni kabel USB (mikro USB)
4. Izdelek je končanview
The Sennheiser CX 120BT features an ergonomic neckband design with in-ear earbuds and an integrated three-button remote for easy control.

Slika 4.1: konecview of the Sennheiser CX 120BT headphones, showing the neckband, earbuds, and the integrated three-button remote control.

Slika 4.2: Od blizu view of an earbud, highlighting the design and the interchangeable ear tip for a customized fit.
5. Nastavitev
5.1 Polnjenje slušalk
Before first use, fully charge the headphones. A full charge provides approximately 6 hours of battery life. Charging takes about 1.5 hours.
- Locate the micro USB charging port on the control unit.
- Connect the supplied micro USB cable to the charging port.
- Connect the other end of the USB cable to a USB power source (e.g., computer USB port or USB wall adapter).
- LED indikator bo prikazoval stanje polnjenja. Ko je naprava popolnoma napolnjena, se običajno izklopi ali spremeni barvo.
5.2 Seznanjanje z napravo Bluetooth
The CX 120BT uses Bluetooth 4.1 for wireless connectivity. Follow these steps to pair your headphones with a new device:
- Prepričajte se, da so slušalke izklopljene.
- Pritisnite in držite večfunkcijski gumb (običajno srednji gumb na daljinskem upravljalniku) približno 5–7 sekund, dokler LED indikator ne utripa izmenično modro in rdeče. To označuje način seznanjanja.
- V napravi Bluetooth (pametni telefon, tablični računalnik, računalnik) pojdite v nastavitve Bluetooth in omogočite Bluetooth.
- Iskanje available devices. You should see "CX 120BT" in the list.
- Select "CX 120BT" to connect. If prompted for a passcode, enter "0000" (four zeros).
- Once successfully paired, the LED indicator will flash blue periodically, and you will hear an audible confirmation.
The headphones will automatically attempt to reconnect to the last paired device when turned on.
6. Navodila za uporabo
6.1 Nošenje slušalk
For optimal sound quality and comfort, select the correct ear tip size and position the neckband correctly.
- Choose the ear tips that provide a secure and comfortable fit in your ear canal. Experiment with the three included sizes (S, M, L).
- Place the neckband around your neck, allowing the earbuds to rest comfortably in your ears. The ergonomic design ensures a secure fit.

Slika 6.1: Example of wearing the CX 120BT headphones with the neckband resting comfortably.
6.2 Using the Three-Button Remote
The integrated three-button remote allows for easy control of music playback and calls.
- Sredinski gumb (večfunkcijski):
- Press once: Play/Pause music, Answer/End call.
- Press twice: Next track.
- Press three times: Previous track.
- Press and hold (approx. 2 seconds): Reject call, Activate voice assistant.
- Press and hold (approx. 5-7 seconds from off): Enter pairing mode.
- Gumb za povečanje glasnosti (+):
- Press once: Increase volume.
- Gumb za zmanjšanje glasnosti (-):
- Press once: Decrease volume.
7. Vzdrževanje in nega
Proper care ensures the longevity and performance of your CX 120BT headphones.
- Čiščenje: Regularly clean the earbuds and ear tips with a soft, dry, lint-free cloth. Remove ear tips and clean them separately with mild soap and water if necessary, ensuring they are completely dry before reattaching.
- Shranjevanje: When not in use, store the headphones in a clean, dry place, away from extreme temperatures and direct sunlight.
- Izogibajte se vlagi: As the headphones are not water resistant, protect them from sweat, rain, and other liquids.
- Skrb za kabel: Izogibajte se ostrim ovinkom ali prekomernemu vlečenju kablov, da preprečite notranje poškodbe.
8. Odpravljanje težav
If you encounter issues with your CX 120BT headphones, refer to the following common solutions:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Slušalke se ne vklopijo | Baterija je prazna. | Slušalke polnite vsaj 1.5 uri. |
| Seznanitev z napravo ni mogoča | Headphones not in pairing mode; device's Bluetooth off; too many paired devices. | Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Forget previous pairings on your device and try again. |
| Brez zvoka ali nizke glasnosti | Volume too low on headphones or device; headphones not connected; audio source issue. | Increase volume on both headphones and connected device. Ensure headphones are properly connected. Check audio source. |
| Prekinjena povezava | Oddaljenost od naprave; motnje; prazna baterija. | Keep headphones within Bluetooth range (typically 10 meters). Avoid strong Wi-Fi signals or other Bluetooth devices. Charge headphones. |
9. Specifikacije
| Znamka | Sennheiser |
| Ime modela | CX 120BT |
| Številka modela | 508967 |
| Namestitev ušesa | V ušesu |
| Faktor oblike | V ušesu |
| Impedanca | 28 Ohmov |
| Različica Bluetooth | 4.1 |
| Brezžična tehnologija | Bluetooth |
| Življenjska doba baterije | Do 6 ur |
| Čas polnjenja | Approx. 1.5 hours (via Micro USB) |
| Frekvenčni odziv | 21000 Hz (upper limit, lower not specified) |
| Nadzor hrupa | Zvočna izolacija |
| Vrsta nadzora | Nadzor medijev |
| Združljive naprave | All Bluetooth devices |
| Teža | 78 gramov |
| Stopnja vodoodpornosti | Ni vodoodporen |
10. Garancija in podpora
10.1 Informacije o garanciji
Your Sennheiser CX 120BT headphones come with a 2-letna garancija on manufacturing defects, valid when purchased from an authorized seller. Please retain your proof of purchase for warranty claims.
10.2 Manufacturer and Importer Contact
For support or warranty inquiries, please contact:
- Proizvajalec: Sennheiser electronic GmbH & Co. KG. Am Labor 1. DE - 30900 Wedemark Germany
- Uvoznik (Indija): Sennheiser Electronics India Private Limited 11A-22, First Floor, Cunningham Road, Municipal No. 60, SRT Road, Bengaluru, Karnataka 560052