1. Introduktion
Thank you for choosing the PTHTECHUS M91 Open-Ear Bluetooth 5.4 Clip-On Headphones. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance and longevity.
Hvad er inkluderet
- PTHTECHUS M91 Open-Ear Headphones
- Opladningsetui
- Type-C opladerkabel
- Brugermanual

The complete package contents, including the M91 earbuds, their charging case, and a Type-C charging cable.
2. Opsætning
2.1 Opladning af hovedtelefonerne
Before first use, fully charge the headphones and the charging case. Connect the provided Type-C charging cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status.
- Spilletid for enkelt ørepropper: Op til 6 timer på fuld opladning.
- Samlet spilletid med opladningsetui: Op til 60 timer.
- Batteriopladningstid: Cirka 1.5 timer for en fuld opladning.

An infographic illustrating the battery life: 6 hours for single earbud use, 60 hours with the charging case, and 3 hours for quick charge.
2.2 Parring med en enhed
- Sørg for, at hovedtelefonerne er opladet.
- Åbn opladningsetuiet. Hovedtelefonerne går automatisk i parringstilstand.
- Aktiver Bluetooth på din enhed (smartphone, tablet, bærbar computer).
- Søg efter tilgængelige Bluetooth-enheder, og vælg "M91" fra listen.
- Once connected, the headphones will automatically reconnect to your device when the charging case is opened, provided Bluetooth is enabled on your device.
The PTHTECHUS M91 headphones feature Bluetooth 5.4 for stable and interference-free transmission, with a range of up to 10 meters.

The PTHTECHUS M91 headphones and charging case next to a laptop and smartphone, illustrating intelligent device connection.
3. Betjeningsvejledning
3.1 Sådan tager du hovedtelefonerne på
The M91 headphones feature an open-ear, clip-on design. This design allows you to listen to audio while remaining aware of your surroundings, enhancing safety, especially during outdoor activities. Simply clip the headphones securely onto your ear.

En professionelfile view of a woman wearing the open-ear headphones, demonstrating how the design allows for environmental awareness.

A visual comparison highlighting the secure and comfortable clip-on design of the PTHTECHUS M91 headphones against conventional in-ear earbuds.
3.2 Tryk på kontrolelementer
The M91 headphones feature intuitive touch controls for easy management of your audio and calls.
| Handling | Gestus |
|---|---|
| Afspil/pause | Dobbeltklik |
| Næste/Forrige spor | Long press (Left for previous, Right for next) |
| Lydstyrke op/ned | Double-click (Specific earbud for up/down, refer to product diagram) |
| Besvar/afslut opkald | Dobbeltklik |
| Afvis indgående opkald | Langt tryk |
| Aktiver Voice Assistant | Triple-klik |

An illustration detailing the touch control functions for managing music playback, calls, and voice assistant.
3.3 Lydfunktioner
- Retningsbestemt lydtransmission: The headphones use directional sound technology to focus sound waves towards your ear, reducing sound leakage by up to 89% and enhancing privacy during calls.
- ENC støjreduktion: Environmental Noise Cancellation (ENC) ensures your voice is clear during calls, even in noisy environments.
- Spatial Stereoscopic Sound: Experience panoramic stereo sound with a visual sense, providing an immersive audio presence.

A visual representation of the spatial stereoscopic sound technology, showing how sound is delivered for an immersive experience.

En intern view of the earbud components, detailing the technology that enhances sound quality, including bass boost.
4. Vedligeholdelse
To ensure the longevity and optimal performance of your PTHTECHUS M91 headphones, follow these maintenance guidelines:
- Rensning: Regularly wipe the headphones and charging case with a soft, dry cloth. Avoid using abrasive materials or harsh chemicals.
- Vandtæthed: The headphones are IPX5 water-resistant, meaning they can withstand splashes and sweat. Do not submerge them in water or expose them to heavy rain. Ensure they are dry before placing them back in the charging case.
- Opbevaring: Opbevar hovedtelefonerne i deres opladningsetui, når de ikke er i brug, for at beskytte dem mod støv og skader. Opbevares køligt og tørt, væk fra ekstreme temperaturer.
- Opladning: Brug kun det medfølgende Type-C-kabel til opladning. Undgå at overoplade eller aflade batteriet helt ofte.
5. Fejlfinding
If you encounter any issues with your PTHTECHUS M91 headphones, please refer to the following common solutions:
- Ingen lyd:
- Ensure the headphones are charged and properly paired with your device.
- Kontroller lydstyrkeniveauet på både hovedtelefonerne og din tilsluttede enhed.
- Prøv at genoprette Bluetooth-forbindelsen.
- Kan ikke parres:
- Make sure Bluetooth is enabled on your device and the headphones are in pairing mode (open the case).
- Sørg for, at hovedtelefonerne ikke allerede er tilsluttet en anden enhed.
- Sluk og tænd for din enheds Bluetooth, og prøv derefter at parre igen.
- Opladningsproblemer:
- Kontroller, at opladningskablet er korrekt tilsluttet til både etuiet og strømkilden.
- Prøv at bruge et andet opladningskabel eller strømadapter.
- Sørg for, at opladningskontakterne på ørepropperne og inde i etuiet er rene og fri for snavs.
- Intermitterende forbindelse:
- Sørg for, at din enhed er inden for Bluetooth-rækkevidden på 10 meter.
- Undgå fysiske forhindringer mellem hovedtelefonerne og din enhed.
- Minimér interferens fra andre trådløse enheder.
Hvis disse trin ikke løser problemet, bedes du kontakte kundesupport.
6. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | PTHTECHUS |
| Modelnavn | M91 |
| Farve | Guld |
| Øreplacering | Open-Ear (External to the ear) |
| Formfaktor | Over-ear (Clip-on) |
| Forbindelsesteknologi | Trådløs (Bluetooth) |
| Bluetooth version | 5.4 |
| Wireless Range | Op til 10 meter |
| Støjkontrol | Miljømæssig støjreduktion (ENC) |
| Kontroltype | Tryk på kontrol |
| Batterilevetid (engangsbrug) | 6 timer |
| Batterilevetid (med opladningsetui) | 60 timer |
| Batteriopladningstid | 1.5 timer |
| Vandmodstandsniveau | IPX5 (vandtæt) |
| Varens vægt | 2 gram |
| Kompatible enheder | Mobile Phones, Laptops, Tablets |
| Materiale | Plastik, silikone, nikkel-titanium |
| Oprindelsesland | Kina |
7. Garanti og support
7.1 Produktgaranti
The PTHTECHUS M91 headphones come with a et års produktgaranti fra købsdatoen. Denne garanti dækker fabrikationsfejl og materialefejl ved normal brug. Den dækker ikke skader forårsaget af misbrug, ulykker, uautoriserede ændringer eller normal slitage.
7.2 Kundesupport
For technical assistance, warranty claims, or any questions regarding your PTHTECHUS M91 headphones, please contact the seller or manufacturer directly through the platform where you purchased the product. Please have your purchase details and model number (M91) ready when contacting support.