1. Introduktion
Thank you for choosing the Sanag Bone Conduction Headphones B51S Pro 16G. These open-ear wireless headphones are designed to provide high-quality audio while allowing you to remain aware of your surroundings. Featuring Bluetooth 5.3 connectivity, built-in 16GB memory, an integrated microphone, and IP68 waterproofing, they are suitable for various activities including gym workouts, running, cycling, and swimming. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
2. Produktet er slutview
The Sanag B51S Pro 16G headphones utilize bone conduction technology, transmitting sound vibrations directly to your inner ear through your cheekbones, bypassing the eardrums. This open-ear design enhances situational awareness.
Nøglefunktioner:
- Knogleledningsteknologi: Delivers audio through cheekbones, keeping ears open.
- Bluetooth 5.3: Sikrer en stabil og effektiv trådløs forbindelse.
- Indbygget 16 GB hukommelse: Allows for direct MP3 playback without a connected device.
- IP68 vandtæt rating: Suitable for use in water, including swimming.
- Integreret mikrofon: Til håndfri opkald.
- Letvægtsdesign: Vejer cirka 32 g for behagelig brug.
- Lang batterilevetid: Up to 8 hours of music listening on a single charge.
Komponenter:
Se diagrammet nedenfor for en oversigtview of the headphone components and controls.

Figure 2.1: Headphone Components and Controls
- On/Off Key (Multi-function button)
- Minus Key (Volume Down / Previous Song)
- Plus Key (Volume Up / Next Song)
- Mikrofon
- Pilot Lamp (LED Indicator)
- Magnetic Suction Data Charging Port

Figure 2.2: Open-Ear Design for Situational Awareness
Det åbne øredesign giver dig mulighed for at høre omgivende lyde, hvilket er afgørende for sikkerheden under udendørsaktiviteter som løb eller cykling.

Figure 2.3: Balanced Stereo Audio Driver
Equipped with a 16mm diaphragm dynamic driver, these headphones deliver balanced audio quality.

Figur 2.4: Komfortabel og sikker pasform
The bendable titanium wrap-around frame ensures a comfortable and secure fit for various head shapes, making them ideal for active use.
Pakkeindhold:

Figur 2.5: Pakkens indhold
- Sanag Bone Conduction Headphones
- Brugervejledning (dette dokument)
- Magnetic Suction Charging Cable
3. Opsætning
3.1 Opladning af hovedtelefonerne
Oplad dine hovedtelefoner helt inden første brug.
- Tilslut det magnetiske opladningskabel til opladningsporten på hovedtelefonerne.
- Tilslut den anden ende af kablet til en USB-strømadapter (medfølger ikke) eller en computers USB-port.
- The LED indicator (Pilot Lamp) will show charging status. A full charge takes approximately 1.5 hours.
- Once fully charged, the LED indicator will change (refer to LED indicator section for details).

Figure 3.1: Charging the Headphones
A full charge provides up to 8 hours of music listening.
3.2 Tænd/sluk
- For at tænde: Press and hold the On/Off key (multi-function button) for 3 seconds until the LED indicator flashes.
- For at slukke: Press and hold the On/Off key (multi-function button) for 5 seconds until the LED indicator turns off.
3.3 Bluetooth -parring
Sådan tilslutter du dine hovedtelefoner til en Bluetooth-aktiveret enhed:
- Sørg for, at hovedtelefonerne er slukket.
- Press and hold the On/Off key (multi-function button) for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- Aktiver Bluetooth på din enhed (smartphone, tablet, bærbar computer), og søg efter tilgængelige enheder.
- Select "Sanag B51S Pro" (or similar name) from the list.
- Når den er tilsluttet, blinker LED-indikatoren langsomt blåt.
The headphones will automatically reconnect to the last paired device when powered on, if within range. The Bluetooth range is up to 10 meters.
4. Betjeningsvejledning
4.1 Grundlæggende kontroller
| Fungere | Handling |
|---|---|
| Tænd/sluk | Press and hold Multi-function button for 3/5 seconds. |
| Afspil/pause | Short press Multi-function button. |
| Besvar/afslut opkald | Short press Multi-function button. |
| Afvis opkald | Press and hold Multi-function button for 2 seconds. |
| Lydstyrke op | Short press '+' button. |
| Lydstyrke ned | Short press '-' button. |
| Næste spor | Long press '+' button. |
| Forrige spor | Long press '-' button. |
| Switch Bluetooth/MP3 Mode | Double press Multi-function button. |
4.2 Brug af indbygget 16 GB hukommelse (MP3-tilstand)
Your headphones have 16GB of internal storage for MP3 files, allowing you to listen to music without a Bluetooth connection.
- Overførsel af musik: Connect the headphones to a computer using the magnetic charging cable. The headphones will appear as a removable disk. Drag and drop your MP3 files i hovedtelefonernes opbevaring.
- Skift til MP3-tilstand: Double press the Multi-function button to switch between Bluetooth mode and MP3 mode. The headphones will indicate the current mode.
- Underwater MP3 Playback: In MP3 mode, the headphones can be used for music playback while swimming. Bluetooth connectivity is limited underwater.
4.3 Foretage opkald
Når du er tilsluttet din smartphone via Bluetooth:
- Besvar/afslut opkald: Tryk kort på multifunktionsknappen.
- Afvis opkald: Tryk og hold multifunktionsknappen nede i 2 sekunder.
- Genopkald sidste nummer: Tryk tre gange på multifunktionsknappen.
5. Vedligeholdelse
5.1 Rengøring
- Tør hovedtelefonerne af med en blød, damp klæde.
- Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Sørg for, at opladningsporten er tør før opladning.
5.2 Opbevaring
- Opbevar hovedtelefonerne et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Undgå at placere tunge genstande på hovedtelefonerne.
5.3 Vandtætning (IP68)
The headphones have an IP68 waterproof rating, meaning they are protected against continuous immersion in water up to 2 meters deep for a specified duration.
- They are suitable for swimming in fresh water.
- Rinse with fresh water and dry thoroughly after exposure to chlorinated or salt water to prevent corrosion.
- Do not charge the headphones if wet.

Figure 5.1: IP68 Waterproof for Swimming
6. Fejlfinding
Almindelige problemer og løsninger:
- Ingen strøm:
- Sørg for, at hovedtelefonerne er fuldt opladede.
- Press and hold the Multi-function button for 3 seconds to power on.
- Kan ikke parres via Bluetooth:
- Sørg for, at hovedtelefonerne er i parringstilstand (LED'en blinker rødt og blåt).
- Slå Bluetooth fra og til på din enhed.
- Gå tættere på din enhed (inden for 10 meter).
- Ryd tidligere Bluetooth-forbindelser på din enhed.
- Ingen lyd:
- Check headphone and device volume levels.
- Ensure headphones are correctly paired and connected.
- If in MP3 mode, ensure music files are loaded correctly.
- Switch between Bluetooth and MP3 modes to confirm the active source.
- Dårlig lydkvalitet:
- Ensure the headphones are positioned correctly on your cheekbones.
- Tjek for interferens fra andre trådløse enheder.
- If using Bluetooth, move closer to your device.
- Headphones not recognized by computer for MP3 transfer:
- Sørg for, at det magnetiske opladningskabel er korrekt tilsluttet.
- Prøv en anden USB-port eller computer.
- Sørg for, at hovedtelefonerne er tændt, når de er tilsluttet computeren.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | B51S Pro 16G |
| Forbindelsesteknologi | Trådløs (Bluetooth) |
| Bluetooth version | 5.3 |
| Bluetooth rækkevidde | 10 meter |
| Audio driver type | Knogleledningsdriver |
| Audio driver størrelse | 16 millimeter |
| Indbygget hukommelse | 16 GB (til MP3-afspilning) |
| Vandmodstandsniveau | IP68 vandtæt |
| Batterilevetid (musik) | Op til 8 timer |
| Opladningstid | 1.5 timer |
| Kontroltype | Mediekontrol (knapper) |
| Mikrofon | Inkluderet |
| Varens vægt | 6.7 ounces (ca. 0.19 kg) |
| Materiale | Plastic, Silicone, and/or Thermoplastic Elastomer (TPE) |
| Øreplacering | Åbent øre |
| Støjkontrol | Active Noise Cancellation (CVC noise reduction for calls) |
8. Garanti og support
Sanag products are manufactured to high-quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or the official Sanag webwebsted. Gem venligst din købsbevis til garantikrav.
9. Vigtige sikkerhedsoplysninger
- Produktet må ikke skilles ad, repareres eller modificeres.
- Holdes væk fra ekstreme temperaturer, direkte sollys og ild.
- Brug ikke hovedtelefonerne ved for høj lydstyrke i længere perioder for at undgå høreskader.
- Maintain awareness of your surroundings, especially when using the headphones outdoors or in traffic.
- Opbevares utilgængeligt for børn.
10. Produktvideo overview
Video 10.1: Official Sanag B91S Bone Conduction Headphones Overview. This video provides a visual introduction to the features and design of the headphones.





