1. Introduction
Thank you for purchasing 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. Safety Information
- Read all instructions carefully before use.
- Keep the device away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel.
- Use only the specified charging cable and power adapter (DC 5V/2A).
- Avoid dropping or subjecting the device to strong impacts.
- Keep out of reach of children.
3. Package Contents
Please check the package for the following items:
Image: Packing List
- Packing Box
- CD Player (Main unit)
- Demo Disc
- Specification (Instruction Manual)
- Wrapping Paper
- Charging Cable
Note: Optional accessories such as the N100 Bluetooth speaker or protective case are sold separately or as part of specific bundles.
4. Product Overview
Familiarize yourself with the buttons and interfaces of your Syitren R400 CD Player.
Image: Key Function Diagram
Key Functions:
- Previous Track / Fast Rewind: Short press for previous track, long press for fast rewind.
- Next Track / Fast Forward: Short press for next track, long press for fast forward.
- Stop Playback: Stops the current CD playback.
- Volume Up: Increases the audio volume.
- Volume Down: Decreases the audio volume.
- Play / Pause: Toggles playback between play and pause.
- Playback Mode Switch: Toggle switch for selecting playback modes (Loop All, Single Loop, Random Play).
- Status Indicator Light: Displays the current operational status of the device.
- Power Switch: Turns the device on or off.
- 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.
- Power Indicator Light: Indicates power status.
- Charging Interface: USB-C port for charging the device (DC 5V/2A).
5. Setup
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. Operating Instructions
6.1 Power On/Off
Slide the Power Switch (09) to turn the device on or off. The Power Indicator Light (12) will illuminate when the device is on.
6.2 Basic Playback
- Ensure a CD is loaded and an audio output device (headphones/speaker) is connected (wired or Bluetooth).
- Slide the Power Switch (09) to turn on the player.
- Press the Play/Pause button (06) to start playback.
- Use the Previous Track (01) and Next Track (02) buttons to navigate tracks.
- Adjust volume using the Volume Up (04) and Volume Down (05) buttons.
- Press the Stop Playback button (03) to stop the CD.
6.3 Playback Modes
Use the Playback Mode Switch (07) to cycle through different playback options:
- Loop All: Plays all tracks on the CD repeatedly.
- Single Loop: Repeats the current track.
- Random Play: Plays tracks in a random order.
GIF: Playback Mode Switch
7. Connectivity
7.1 Wired Connection
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 Connection
The R400 supports Bluetooth 5.3 for wireless audio streaming to compatible devices.
- Ensure the R400 is powered on.
- Short press the 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. Charging
The Syitren R400 is powered by a built-in 18650 battery with a capacity of 2000mAh (rated 1800mAh).
- Connect the provided charging cable to the Charging Interface (13) on the R400.
- Connect the other end of the charging cable to a DC 5V/2A power adapter (not included).
- The Power Indicator Light (12) will show the charging status.
- 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. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the CD player. Do not use abrasive cleaners or solvents.
- CD Care: Handle CDs by their edges to avoid fingerprints and scratches. Store CDs in their cases when not in use.
- Lens Cleaning: If playback issues occur due to a dirty lens, use a specialized CD lens cleaning kit. Do not touch the lens directly.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Anti-slip Design: The bottom of the R400 features a raised anti-slip design to prevent scratches on the body when placed on surfaces.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power switch off | Charge the device; Ensure power switch (09) is ON. |
| No sound output | 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 not connecting | 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. |
| Buttons unresponsive | Temporary software glitch | Turn the device off and then on again. |
11. Specifications
| Feature | Detail |
|---|---|
| Product Name | Syitren Retro CD Player R400 |
| Bluetooth Version | 5.3 |
| Supported Disc Formats | CD/CD-R/CD-RW |
| Supported Audio Formats | CD/MP3/WAV/WMA |
| Decoding Chip Model | SC6137D |
| Signal to Noise Ratio | 70DB |
| Audio Output Thrust | 6.0MW@32 Ω |
| Shockproof Time | 16S |
| Battery Model | 18650 |
| Battery Capacity | 2000MAH (Rated 1800MAH) |
| Rated Input | DC 5V/2A |
| Full Charge Duration | ≥ 4H |
| Full Charge Usable Time | ≥ 4H |
| Net Weight | 330G |
| Product Size (WxHxD) | 161 * 161 * 37mm |
| Built-in Speakers | NO |
| Support Connection | Wired/Wireless Bluetooth audio devices |
Image: Parameter Details
12. User Tips
- 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.
- Protect Your Device: 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. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for any warranty claims.
