Indledning
Thank you for choosing the Sennheiser HD 350BT Wireless Foldable Headphones. These headphones offer a superior wireless audio experience, whether you are at home or on the go. Featuring Bluetooth 5.0, advanced codec support, and an impressive 30-hour battery life, the HD 350BT is designed for comfort, durability, and exceptional sound quality. This manual provides comprehensive instructions to help you get the most out of your new headphones.
Sikkerhedsoplysninger
Please read this safety information carefully before using your headphones. Keep this manual in a safe place for future reference.
- Høreværn: Undgå at lytte ved høje lydstyrker i længere perioder for at forhindre høreskader.
- Trafiksikkerhed: Do not use the headphones in situations where your hearing is critical for safety, such as driving, cycling, or walking in traffic.
- Kvælningsfare: Keep the headphones and accessories out of reach of children and pets to prevent accidental ingestion of small parts.
- Miljøforhold: Udsæt ikke hovedtelefonerne for ekstreme temperaturer, fugtighed eller væsker.
- Rensning: Clean the headphones only with a soft, dry cloth. Do not use cleaning agents or solvents.
Pakkens indhold
Sørg for, at alle varer er til stede i din pakke:
- Sennheiser HD 350BT Wireless Headphones
- USB-C ladekabel
- Hurtig guide
- Sikkerhedsvejledning
Produkt overview
Familiarize yourself with the components and controls of your HD 350BT headphones.

Image: The Sennheiser HD 350BT headphones shown in their folded position, highlighting the compact design for portability. The earcups are rotated inwards towards the headband.
Kontroller og indikatorer
- Power knap: Bruges til tænd/sluk og Bluetooth-parring.
- Lydstyrkeknapper (+/-): Justerer lydstyrken.
- Multifunktionsknap: Controls music playback (play/pause, skip tracks) and call management (answer/end calls).
- Knap til stemmeassistent: Activates your device's voice assistant (Siri, Google Assistant).
- USB-C-port: Til opladning af høretelefoner.
- LED-indikator: Displays battery status, pairing status, and charging status.
Opsætning
1. Opladning af hovedtelefonerne
- Connect the USB-C charging cable to the USB-C port on the headphones.
- Tilslut den anden ende af kablet til en USB-strømkilde (f.eks. en vægadapter eller en computers USB-port).
- The LED indicator will show the charging status. A full charge takes approximately 2 hours and provides up to 30 hours of playback.
- Once fully charged, the LED indicator will change, and you can disconnect the cable.
2. Bluetooth-parring
- Tænd: Press and hold the Power button for 2 seconds until you hear an audible prompt and the LED flashes.
- Gå ind i parringstilstand: With the headphones powered on, press and hold the Power button for 4 seconds until the LED flashes blue and red alternately. This indicates pairing mode.
- Aktivér Bluetooth på din enhed: Go to the Bluetooth settings on your smartphone, tablet, or computer.
- Vælg hovedtelefoner: From the list of available devices, select "HD 350BT".
- Bekræft parring: If prompted, confirm the pairing. The LED on the headphones will flash blue a few times, and you will hear a confirmation tone when successfully connected.
3. Sennheiser Smart Control App
For enhanced functionality, download the Sennheiser Smart Control App from your device's app store. The app allows you to:
- Customize sound with an equalizer.
- Activate Podcast Mode for optimized speech clarity.
- Modtag firmwareopdateringer.
- View batteristatus.
Betjening af hovedtelefonerne

Image: A person wearing the Sennheiser HD 350BT headphones, demonstrating their comfortable fit during use, while browsing through a collection of vinyl records.
Tænd/sluk
- Tænd: Tryk og hold tænd/sluk-knappen nede i 2 sekunder.
- Sluk: Tryk og hold tænd/sluk-knappen nede i 2 sekunder.
Musikafspilning
- Afspil/pause: Tryk én gang på multifunktionsknappen.
- Næste nummer: Tryk to gange på multifunktionsknappen.
- Forrige nummer: Tryk tre gange på multifunktionsknappen.
- Lydstyrke op: Tryk på knappen Lydstyrke +.
- Skrue ned for lyden: Tryk på Lydstyrke-knappen.
Opkaldsstyring
- Besvar/afslut opkald: Tryk én gang på multifunktionsknappen.
- Afvis opkald: Tryk og hold multifunktionsknappen nede i 2 sekunder.
Stemmeassistent
- Aktiver stemmeassistent: Press the Voice Assistant button once to activate Siri or Google Assistant on your connected device.
Folding the Headphones
The HD 350BT headphones feature a foldable design for easy storage and portability. Gently fold the earcups inwards towards the headband until they click into place. To unfold, reverse the process.
Opretholdelse
Rensning
- Brug en blød, tør og fnugfri klud til at rengøre hovedtelefonerne.
- Do not use any cleaning agents, sprays, or solvents, as these may damage the surface or internal components.
- Ørepuderne kan forsigtigt tørres af med en let dip.amp cloth if necessary, then allowed to air dry completely.
Opbevaring
- Når hovedtelefonerne ikke er i brug, skal de opbevares køligt og tørt, væk fra direkte sollys og ekstreme temperaturer.
- Utilize the foldable design to store them compactly.
Fejlfinding
If you encounter issues with your HD 350BT headphones, refer to the following common solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Hovedtelefonerne tændes ikke. | Lavt batteri. | Oplad hovedtelefonerne med USB-C-kablet. |
| Kan ikke parres med en Bluetooth-enhed. | Hovedtelefoner er ikke i parringstilstand; Bluetooth slukket på enheden; enheden er for langt væk. | Ensure headphones are in pairing mode (flashing blue/red LED). Turn on Bluetooth on your device. Move device closer to headphones (within 10 meters). |
| Ingen lyd eller intermitterende lyd. | Lydstyrken er for lav; hovedtelefonerne er ikke tilsluttet; interferens. | Increase volume on headphones and device. Re-pair the headphones. Move away from other wireless devices. |
| Stemmeassistenten svarer ikke. | Voice assistant not enabled on device; device not connected. | Ensure your device's voice assistant is active. Confirm headphones are connected via Bluetooth. |
Specifikationer
Detailed technical specifications for the Sennheiser HD 350BT headphones:
- Modelnummer: 508384
- Mærke: Sennheiser
- Farve: Sort
- Øreplacering: Over Ear
- Formfaktor: Over Ear
- Impedans: 28 Ohm
- Forbindelse teknologi: Bluetooth 5.0
- Bluetooth Range: 10 meter
- Kontroltype: Mediestyring, Stemmeassistent
- Kontrolmetode: Fysiske knapper
- Batteriopladningstid: Cirka 2 timer
- Gennemsnitlig batterilevetid: Op til 30 timer
- Støjkontrol: Lydisolering (passiv)
- Frekvensrespons: 18 Hz til 21000 Hz
- Lyddrivertype: Dynamisk Driver
- Indkapslingsmateriale: Plast
- Varens vægt: 238 gram
- Kompatible enheder: All Bluetooth devices
- Vandmodstandsniveau: Ikke vandafvisende
- Yderligere funktioner: Lightweight, Foldable Design
Garanti og support
Sennheiser products are manufactured to the highest quality standards and come with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official Sennheiser webwebsted.
For technical support, troubleshooting assistance, or service inquiries, please contact Sennheiser customer support through their official webwebstedet eller kontaktoplysningerne i din produktdokumentation.
Online support: www.sennheiser.com/en-us/service-support