1. Introduktion
Tak for købetasing the Syitren R400 Retro CD Player. This portable device combines classic CD playback with modern Bluetooth wireless connectivity, offering a high-quality audio experience. Please note that the R400 CD player does not have a built-in speaker and requires external headphones or an audio device for sound output. It supports both wired and Bluetooth connections.
Important Note: The R400 CD player does not include a built-in speaker. External headphones or a speaker are required for audio output.
Video: Syitren R400 Retro CD Player product showcase.
2. Sikkerhedsoplysninger
- Læs alle instruktioner omhyggeligt før brug.
- Hold enheden væk fra vand, fugt og ekstreme temperaturer.
- Forsøg ikke selv at skille enheden ad eller reparere den. Kontakt kvalificeret servicepersonale.
- Use only the specified charging cable and power adapter (DC 5V/2A).
- Undgå at tabe eller udsætte enheden for kraftige stød.
- Opbevares utilgængeligt for børn.
3. Pakkens indhold
Tjek venligst pakken for følgende varer:

Image: Packing List
- Pakkeboks
- CD Player (Main unit)
- Demo Disc
- Specification (Instruction Manual)
- Indpakningspapir
- Ladekabel
Note: Optional accessories such as the N100 Bluetooth speaker or protective case are sold separately or as part of specific bundles.
4. Produktet er slutview
Familiarize yourself with the buttons and interfaces of your Syitren R400 CD Player.

Image: Key Function Diagram
Nøglefunktioner:
- Previous Track / Fast Rewind: Short press for previous track, long press for fast rewind.
- Næste nummer / Spol frem: Short press for next track, long press for fast forward.
- Stop afspilning: Stops the current CD playback.
- Lydstyrke op: Øger lydstyrken.
- Skrue ned for lyden: Sænker lydstyrken.
- Afspil/pause: Toggles playback between play and pause.
- Playback Mode Switch: Toggle switch for selecting playback modes (Loop All, Single Loop, Random Play).
- Statusindikatorlys: Viser enhedens aktuelle driftsstatus.
- Afbryderen: Tænder eller slukker for enheden.
- AUX Output Interface: 3.5mm jack for wired headphone or speaker connection.
- Output Mode Switch / Bluetooth Reset: Short press to switch output mode (e.g., between wired and Bluetooth), long press to reset Bluetooth connection.
- Strømindikatorlys: Indikerer strømstatus.
- Opladningsgrænseflade: USB-C port for charging the device (DC 5V/2A).
5. Opsætning
5.1 Installing the Stand / Protective Case (Optional)
If your package includes a protective case or stand, you can install it as follows:

Image: Stand Installation Guide
- With Protective Case: Attach the stand to the designated slots on the protective case. Ensure it clicks securely into place.
- Without Protective Case: Directly attach the stand to the corresponding slots on the R400 CD player.
5.2 Loading a CD
- Gently open the CD compartment cover.
- Place the CD onto the spindle with the label side facing up.
- Gently close the CD compartment cover until it clicks shut.

GIF: CD Loading Process
6. Betjeningsvejledning
6.1 Tænd/sluk
Skub til Afbryder (09) to turn the device on or off. The Power Indicator Light (12) will illuminate when the device is on.
6.2 Grundlæggende afspilning
- Ensure a CD is loaded and an audio output device (headphones/speaker) is connected (wired or Bluetooth).
- Skub til Afbryder (09) for at tænde for afspilleren.
- Tryk på Play/Pause button (06) for at starte afspilningen.
- Brug Previous Track (01) og Next Track (02) knapper til at navigere i spor.
- Juster lydstyrken ved hjælp af Lydstyrke op (04) og Lydstyrke ned (05) knapper.
- Tryk på Stop Playback button (03) to stop the CD.
6.3 Afspilningstilstande
Brug Playback Mode Switch (07) to cycle through different playback options:
- Loop All: Plays all tracks on the CD repeatedly.
- Enkelt sløjfe: Gentager det aktuelle spor.
- Tilfældigt spil: Afspiller spor i tilfældig rækkefølge.

GIF: Playback Mode Switch
7. Forbindelse
7.1 Kabelforbindelse
The R400 features a classic 3.5mm AUX output interface. Connect your wired headphones or external speakers to the AUX Output Interface (10). The device will automatically output audio through this port when connected.
7.2 Bluetooth-forbindelse
The R400 supports Bluetooth 5.3 for wireless audio streaming to compatible devices.
- Ensure the R400 is powered on.
- Tryk kort på Output Mode Switch (11) to select Bluetooth mode. The Status Indicator Light (08) may change to indicate Bluetooth pairing mode.
- On your Bluetooth audio device (headphones, speaker), enable Bluetooth and search for available devices.
- Select "Syitren R400" from the list of found devices to pair.
- Once paired, audio from the CD player will be streamed wirelessly to your connected device.
- To reset the Bluetooth connection, long press the Output Mode Switch (11).

Image: Wired and Wireless Connection Examples
8. Opladning
The Syitren R400 is powered by a built-in 18650 battery with a capacity of 2000mAh (rated 1800mAh).
- Tilslut det medfølgende opladningskabel til Charging Interface (13) on the R400.
- Connect the other end of the charging cable to a DC 5V/2A power adapter (not included).
- De Power Indicator Light (12) vil vise opladningsstatus.
- A full charge takes approximately 4 hours and provides approximately 4 hours of usable playback time.

Image: Charging Port
The sinking charging compartment and wire groove design helps prevent the charging head from bending or damage during use.
9. Vedligeholdelse
- Rensning: Brug en blød, tør klud til at rengøre CD-afspillerens yderside. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- CD-pleje: Handle CDs by their edges to avoid fingerprints and scratches. Store CDs in their cases when not in use.
- Rengøring af linser: If playback issues occur due to a dirty lens, use a specialized CD lens cleaning kit. Do not touch the lens directly.
- Opbevaring: Opbevar enheden et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Anti-skrid design: The bottom of the R400 features a raised anti-slip design to prevent scratches on the body when placed on surfaces.
10. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Battery drained; Power switch off | Charge the device; Ensure power switch (09) is ON. |
| Ingen lydudgang | No headphones/speaker connected; Volume too low; Incorrect output mode; Faulty audio device | Connect headphones/speaker; Increase volume (04); Short press Output Mode Switch (11); Test with another audio device. |
| CD not playing/skipping | CD dirty/scratched; CD not inserted correctly; Lens dirty | Clean CD; Reinsert CD correctly; Use a CD lens cleaner. |
| Bluetooth forbinder ikke | R400 not in pairing mode; Device too far; Interference; Previously paired device issue | Ensure R400 is in Bluetooth mode (11); Move devices closer; Long press Output Mode Switch (11) to reset Bluetooth and re-pair. |
| Knapperne reagerer ikke | Midlertidig softwarefejl | Sluk enheden, og tænd den derefter igen. |
11. Specifikationer
| Feature | Detalje |
|---|---|
| Produktnavn | Syitren Retro CD Player R400 |
| Bluetooth version | 5.3 |
| Understøttede diskformater | CD/CD-R/CD-RW |
| Understøttede lydformater | CD/MP3/WAV/WMA |
| Decoding Chip Model | SC6137D |
| Signal til støj-forhold | 70DB |
| Audio Output Thrust | 6.0MW@32 Ω |
| Shockproof Time | 16S |
| Batteri model | 18650 |
| Batterikapacitet | 2000MAH (Rated 1800MAH) |
| Nominel input | DC 5V/2A |
| Fuld opladningsvarighed | ≥ 4H |
| Full Charge Usable Time | ≥ 4H |
| Nettovægt | 330G |
| Produktstørrelse (BxHxD) | 161 * 161 * 37 mm |
| Indbyggede højtalere | INGEN |
| Support forbindelse | Wired/Wireless Bluetooth audio devices |

Image: Parameter Details
12. Brugertips
- External Audio is Key: Remember, this player requires external headphones or a speaker. Make sure you have a compatible audio output device ready for use.
- Check Your Bundle: The R400 comes in various options (player only, with N100 speaker, with protective case). Confirm your specific bundle to ensure you have all expected accessories.
- Physical Buttons for Control: The R400 features tactile physical buttons for a more engaging user experience. Familiarize yourself with their functions for smooth operation.
- Beskyt din enhed: Utilize the anti-slip design on the bottom to prevent scratches. If you have the protective case, it adds an extra layer of defense.
13. Garanti og support
For garantioplysninger, teknisk support eller serviceforespørgsler, kontakt venligst sælgeren eller producenten direkte. Gem din købsbevis til eventuelle garantikrav.





