Introduction
Thank you for purchasing the WOLFANG WDV04 Portable Bluetooth CD Player. This device is designed for flexible daily listening, whether at home, in the bedroom, kitchen, office, outdoors, or on the go. Its portable design allows you to easily enjoy your CDs, radio, and USB music in various environments. This manual provides detailed instructions on how to set up, operate, and maintain your CD player to ensure optimal performance and longevity.

Image: Overview of the WOLFANG WDV04 CD Player highlighting its key features including Bluetooth, USB, FM Radio, Timer, 4000mAh battery, remote control, and installation options.
Package Contents
Please check the package carefully to ensure all items are present:
- WOLFANG WDV04 Portable CD Player
- Remote Control
- Desktop Stand
- Wall Mount Kit (Wall stand, screws, wall plugs)
- 3.5mm AUX Audio Cable
- USB Charging Cable
- User Manual

Image: All components included in the WOLFANG WDV04 CD Player package.
Product Overview
Familiarize yourself with the various parts and controls of your WDV04 CD player.

Image: Detailed diagram illustrating the layout and functions of the WDV04 CD Player's buttons, ports, and components.
Front Panel Controls:
- LED Screen: Displays current mode, track number, time, and FM frequency.
- Power ON/OFF: Press to turn the device on or off.
- Mode Button: Cycles through CD, USB, Bluetooth, FM, and AUX modes.
- Volume - / +: Adjusts the volume level.
- Previous / Next: Skips to the previous or next track/station.
- Play / Pause: Starts or pauses playback.
Side Panel Ports:
- AUX Port: Connect external audio devices using the 3.5mm AUX cable.
- DC-5V IN: Power input for charging the device.
- USB Port: Connect a USB flash drive for music playback.
- Mounting Hook: Used for wall installation.
Setup
1. Initial Charging
Before first use, fully charge the CD player. Connect the provided USB charging cable to the DC-5V IN port on the device and the other end to a standard USB power adapter (not included) or a computer USB port. The LED screen will indicate charging status. A full charge typically takes approximately 3-4 hours and provides up to 3.5 hours of playback.
2. Powering On/Off
Press the Power ON/OFF button on the front panel to turn the device on or off.
3. Installation Options
The WDV04 offers two installation methods:

Image: Visual guide for wall mount and desktop stand installation.
- Desktop Stand: Attach the provided desktop stand to the back of the CD player and place it on any flat surface like a desk, nightstand, or kitchen counter.
- Wall Mount: Use the included wall mount kit (screws and wall plugs) to securely fix the CD player to a wall. This saves space and keeps your area tidy. Ensure the wall is suitable for drilling and mounting.
Operating Instructions
The WDV04 supports multiple audio sources. Press the Mode button to switch between CD, USB, Bluetooth, FM Radio, and AUX Input modes.

Image: Various music playback options: CD, USB, AUX, and FM Radio.
1. CD Playback
- Open the CD cover.
- Carefully place a CD (CD, CD-R, CD-RW) onto the spindle, label side up.
- Close the CD cover.
- Press the Mode button until "CD" appears on the LED screen.
- The CD player will automatically start reading and playing the disc.
- Use the Play/Pause, Previous, and Next buttons to control playback.
2. Bluetooth Mode
Connect your smartphone, tablet, or laptop via Bluetooth to stream music wirelessly.

Image: Bluetooth streaming from smart devices to the CD player.
- Press the Mode button until "BLUE" appears on the LED screen. The device will enter pairing mode.
- On your Bluetooth-enabled device, search for "WDV04" in the Bluetooth settings.
- Select "WDV04" to pair. Once connected, you will hear a confirmation sound.
- You can now play audio from your connected device through the CD player.
3. USB Playback
- Insert a USB flash drive into the USB port on the side of the player.
- Press the Mode button until "USB" appears on the LED screen.
- The player will automatically detect and play audio files from the USB drive.
- Use the Play/Pause, Previous, and Next buttons to control playback.
4. FM Radio
- Press the Mode button until "FM" appears on the LED screen.
- Press the Play/Pause button to initiate an automatic scan for FM stations. The player will save detected stations.
- Use the Previous and Next buttons to navigate through the saved stations.
5. AUX Input
- Connect one end of the 3.5mm AUX audio cable to the AUX port on the CD player.
- Connect the other end to the audio output jack of an external device (e.g., MP3 player, phone without Bluetooth).
- Press the Mode button until "AUX" appears on the LED screen.
- Audio from the external device will now play through the CD player. Control playback from the external device.
6. Timer Function
The WDV04 includes a timer function. Refer to the detailed instructions in the included user manual for setting specific timer functions.
7. Remote Control
The included remote control allows for convenient operation from a distance. Ensure the remote is pointed directly at the optical sensor on the front of the CD player for best responsiveness. Functions include power, mode selection, volume, track skipping, play/pause, and timer settings.
Charging the Battery
The WDV04 is equipped with a built-in 4000 mAh rechargeable battery, allowing for portable use without constant connection to a power outlet. This is convenient for indoor use, outdoor relaxation, travel, or listening on the go.

Image: The CD player's integrated 4000 mAh rechargeable battery provides up to 3.5 hours of playback.
To charge, connect the USB charging cable to the DC-5V IN port and a power source. The LED indicator will show charging status. Disconnect the charger once fully charged to preserve battery life.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the CD player. Do not use liquid cleaners or abrasive materials.
- Dust Cover: The removable dust cover helps protect the disc area from dust and keeps the player clean during daily use. Ensure it is properly placed when not in use.
- Disc Care: Handle CDs by their edges. Keep them clean and free of scratches to ensure optimal playback.
- Storage: Store the CD player in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Player does not turn on. | Battery is depleted or not charged. | Connect the player to a power source using the USB charging cable and allow it to charge. |
| CD does not play. | CD is dirty, scratched, or inserted incorrectly. Incorrect mode selected. | Clean the CD, check for scratches, ensure it's inserted correctly. Press the Mode button to select CD mode. |
| No sound. | Volume is too low or muted. Incorrect mode selected. | Increase the volume. Ensure the correct mode (CD, Bluetooth, USB, FM, AUX) is selected. |
| Bluetooth pairing fails. | Device is too far, not in pairing mode, or already connected to another device. | Ensure the CD player is in Bluetooth mode ("BLUE" displayed). Keep devices within range. Disconnect from other Bluetooth devices. |
| Remote control unresponsive. | Remote batteries are low or dead. Obstruction between remote and player. | Replace remote batteries. Ensure a clear line of sight to the player's optical sensor. |
| Poor FM radio reception. | Weak signal or interference. | Reposition the player or extend the antenna (if applicable). Try scanning for stations again. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | WDV04 |
| Brand | WOLFANG |
| Connectivity Technology | Bluetooth, USB, 3.5mm TRS (AUX) |
| Special Features | Bluetooth, FM Radio, USB Playback, Rechargeable Battery |
| Battery Capacity | 4000 mAh (Built-in rechargeable) |
| Compatible Media Types | Audio CD, CD-R, CD-RW, USB flash drives |
| Compatible Devices | Speakers, Headphones, Smartphones, Tablets, Laptops |
| Number of Discs | 1 |
| Number of Channels | 2 (Stereo) |
| Remote Control Batteries | 2 'A' batteries (not included) |
| Country of Origin | China |
| UPC | 850067892472 |
Warranty and Support
WOLFANG provides reliable customer service and support for your product.
- Warranty: This product comes with a 2-year manufacturer's warranty.
- Customer Support: For any questions or assistance, please contact our customer service team at support.vc@wolfang.co. We aim to respond to your inquiries within 24 hours.
- Returns: Enjoy easy 30-day returns and hassle-free exchanges.
- Lifetime Customer Care: WOLFANG is committed to providing long-term support for every customer.

Image: WOLFANG's commitment to customer service and support.