1. Introduktion
This manual provides detailed instructions for the operation and maintenance of your fojep K9 Pro Bone Conduction Headphones. Please read this manual thoroughly before using the product to ensure proper function and longevity.
The fojep K9 Pro is a versatile audio device featuring bone conduction technology, IP68 waterproofing, Bluetooth connectivity, and an integrated 32GB MP3 player. It is designed for various activities including swimming, running, cycling, and general fitness.
2. Produktet er slutview
The fojep K9 Pro headphones utilize bone conduction to deliver sound, keeping your ears open to ambient sounds. They are designed for comfort and durability in various environments.

Image 2.1: fojep K9 Pro Bone Conduction Headphones. This image shows the headphones partially submerged in water, highlighting their waterproof design. The control buttons are visible on the left side.
2.1 Nøglefunktioner
- Knogleledningsteknologi: Delivers sound through cheekbones, leaving ear canals open.
- IP68 vandtæt rating: Suitable for swimming and submersion up to two meters for two hours.
- Indbygget 32 GB MP3-afspiller: Store music directly on the device for use without a phone, especially useful for swimming.
- Bluetooth-forbindelse: Trådløs lydstreaming fra kompatible enheder.
- 7 timers spilletid: Forlænget batterilevetid til længerevarende brug.
- ENC Noise Canceling Microphone: Forbedrer opkaldsklarheden ved at reducere omgivende støj.
- Let og behageligt design: Ergonomic fit for extended wear during physical activities.
3. Opsætning og første brug
3.1 Pakkens indhold
Bekræft at alle varer er til stede i pakken:
- fojep K9 Pro Bone Conduction Headphones
- Ladekabel
- Brugervejledning (dette dokument)
- Ear Plugs (for use in noisy environments)
3.2 Opladning af hovedtelefonerne
- Tilslut opladningskablet til opladningsporten på hovedtelefonerne.
- Tilslut den anden ende af kablet til en USB-strømadapter (medfølger ikke) eller en computers USB-port.
- The LED indicator will show charging status. A full charge typically takes approximately 2 hours.
- Når det er fuldt opladet, skal du frakoble ladekablet.

Image 3.1: fojep K9 Pro headphones with battery life indication. This image illustrates the headphones and highlights their quick charging time (2 hours) and extended playtime (7 hours).
3.3 Tænd/sluk
- Tænd: Tryk på tænd/sluk-knappen, og hold den nede, indtil LED-indikatoren lyser.
- Sluk: Tryk på tænd/sluk-knappen, og hold den nede, indtil LED-indikatoren slukker.
4. Betjeningsvejledning
4.1 Sådan tager du hovedtelefonerne på
Place the headphones with the transducers resting on your cheekbones, just in front of your ears. The band should wrap around the back of your head.

Image 4.1: User wearing fojep K9 Pro headphones during swimming. This image demonstrates the proper placement of the headphones on the head, with the transducers resting on the cheekbones, and highlights the IP68 waterproof rating.
4.2 Bluetooth-tilstand
- Parring: With the headphones powered off, press and hold the Power button for approximately 5-7 seconds until the LED indicator flashes red and blue, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "fojep K9 Pro" (or similar name).
- Select the headphones to connect. The LED indicator will turn solid blue once connected.
- Note: Bluetooth signals may be affected underwater. For swimming, use MP3 mode.
4.3 MP3 Player Mode (Built-in 32GB Memory)
The headphones have a built-in 32GB memory for storing audio files, ideal for activities where Bluetooth connectivity is limited, such as swimming.
- Overfører Files: Connect the headphones to a computer using the charging cable. The headphones will appear as a removable drive.
- Træk og slip din lyd files (e.g., MP3 format) into the headphones' storage folder.
- Safely eject the headphones from your computer.
- Skiftemetoder: Refer to the control buttons section for switching between Bluetooth and MP3 modes.

Image 4.2: User enjoying music with fojep K9 Pro headphones, highlighting the 32GB internal storage. This image shows a woman wearing the headphones, emphasizing the convenience of storing music directly on the device.
4.4 Betjeningsknapper
The headphones feature intuitive control buttons for managing playback, volume, and calls.
- Power knap: Tænd/sluk, skift til parringstilstand.
- Lydstyrke op (+): Øg lydstyrken, næste nummer (langt tryk).
- Skrue ned for lyden (-): Skru ned for lydstyrken, forrige nummer (langt tryk).
- Multi-function Button (often integrated with Power or a dedicated button): Play/Pause, Answer/End Call, Switch between Bluetooth/MP3 mode (specific press sequence may vary, refer to quick start guide if provided separately).

Image 4.3: Close-up of fojep K9 Pro headphone control buttons. This image details the physical buttons on the headphone unit, including power, volume, and potentially a multi-function button.
4.5 Foretage og modtage opkald
Når den er tilsluttet via Bluetooth til en smartphone:
- Besvar opkald: Tryk én gang på multifunktionsknappen.
- Afslut opkald: Tryk én gang på multifunktionsknappen under et opkald.
- Afvis opkald: Tryk og hold multifunktionsknappen nede i 2 sekunder.
- Stemmeassistent: Double-press the Multi-function button (if supported by your device).
5. Vedligeholdelse og pleje
- Rensning: Tør hovedtelefonerne af med en blød, damp klæde. Brug ikke skrappe kemikalier eller slibende rengøringsmidler.
- Opbevaring: Opbevar hovedtelefonerne et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Vandeksponering: While IP68 rated, it is recommended to rinse the headphones with fresh water after use in chlorinated or saltwater and allow them to dry completely before charging.
- Opladningsport: Sørg for, at opladningsporten er tør, før du tilslutter opladningskablet, for at forhindre skader.
6. Fejlfinding
| Problem | Mulig løsning |
|---|---|
| Hovedtelefonerne tændes ikke. | Sørg for, at hovedtelefonerne er fuldt opladet. Tilslut dem til en strømkilde, og kontroller opladningsindikatoren. |
| Kan ikke parres via Bluetooth. |
|
| Ingen lyd eller lav lydstyrke. |
|
| Bluetooth signal drops underwater. | This is expected behavior. Use the built-in MP3 player mode for underwater listening. |
| Cannot transfer MP3 files. |
|
7. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | K9 Pro |
| Mærke | fojep |
| Forbindelsesteknologi | Trådløs (Bluetooth) |
| Trådløs kommunikationsteknologi | Bluetooth |
| Vandmodstandsniveau | IP68 vandtæt |
| Indbygget hukommelse | 32GB MP3-afspiller |
| Batterilevetid | Op til 7 timer |
| Opladningstid | Cirka 2 timer |
| Kontrolmetode | Berøring, stemmestyring |
| Mikrofonformat | Built-In with ENC Noise Canceling |
| Øreplacering | Åbent øre |
| Varens vægt | 200 g |
| Materiale | Plast |
8. Garanti og support
For warranty information and customer support, please refer to the product packaging or contact fojep customer service through their official webwebstedet eller forhandleren, hvor produktet blev købt. Gem din købsbevis i tilfælde af garantikrav.
Online ressourcer: For additional support, FAQs, and product updates, visit the official fojep webwebsted.
9. Sikkerhedsoplysninger
- Forsøg ikke at skille hovedtelefonerne ad eller ændre dem.
- Avoid exposing the headphones to extreme temperatures or direct flame.
- Opbevares utilgængeligt for børn.
- Brug kun godkendte opladningskabler og adaptere.
- Be aware of your surroundings when using the headphones, especially during outdoor activities, due to the open-ear design.