1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Craig CMA3015C 512MB USB MP3 Digital Music Player and Portable Foldable Speakers. Please read this manual thoroughly before using the product to ensure proper function and longevity.
The Craig CMA3015C is a portable music system featuring a detachable MP3 player with 512MB built-in memory and 3-watt stereo speakers. It supports MP3 and WMA playback and can amplify sound from any 3.5mm audio source.
2. Product Overview
The Craig CMA3015C system consists of a central MP3 player unit and two detachable speakers. The MP3 player features a 1.2-inch LCD display and control buttons for navigation and playback.

Figure 1: Craig CMA3015C Digital Music Player with Portable Foldable Speakers. The central unit is the MP3 player, flanked by two white speakers.
2.1 Components
- MP3 Player Unit: Central device for music storage and playback.
- Portable Speakers: Two 3-watt stereo speakers that can be attached to the MP3 player or used independently with a 3.5mm audio source.
- USB Cable: For connecting the MP3 player to a computer.
- Audio Cable (3.5mm): For connecting external audio devices to the speakers.
3. Setup
3.1 Battery Installation
The MP3 player requires AAA batteries for operation. The speakers may also require batteries if used independently or if the system is not powered via USB.
- Locate the battery compartment on the back of the MP3 player unit.
- Open the compartment cover.
- Insert the required AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
3.2 Assembling the Speakers
The speakers are designed to attach to the MP3 player unit for an integrated portable system.
- Align the connectors on the speakers with the corresponding ports on the MP3 player docking area.
- Gently push the speakers into place until they are securely connected.
- To detach, carefully pull the speakers away from the MP3 player unit.
4. Operating Instructions
4.1 MP3 Player Operation
- Power On/Off: Press and hold the Power button (usually labeled with a power symbol) to turn the device on or off.
- Navigation: Use the directional buttons (Up, Down, Left, Right) to browse menus and select tracks on the 1.2-inch LCD display.
- Play/Pause: Press the Play/Pause button (usually a triangle/two vertical bars) to start or pause playback.
- Skip Tracks: Use the Forward/Backward buttons to skip to the next or previous track.
- Volume Control: Adjust the volume using the dedicated volume buttons, if present, or through menu options.
4.2 Using the Speakers
- With MP3 Player: Once the speakers are attached to the MP3 player, audio will automatically play through them. Ensure the MP3 player's volume is adjusted.
- With External Audio Source:
- Detach the speakers from the MP3 player if they are connected.
- Connect one end of a 3.5mm audio cable (not always included) to the AUX input port on the speaker unit.
- Connect the other end of the 3.5mm audio cable to the headphone jack or audio output of your external device (e.g., smartphone, tablet, laptop).
- Ensure the speakers are powered on (if they have a separate power switch/battery).
- Adjust the volume on both the external device and the speakers for optimal sound.
5. Connecting to a Computer
The Craig CMA3015C MP3 player features a USB 2.0 port for connecting to a computer to transfer music files.
- Ensure the MP3 player is powered on.
- Connect one end of the provided USB cable to the USB port on the MP3 player.
- Connect the other end of the USB cable to an available USB 2.0 port on your computer.
- Your computer should recognize the MP3 player as a removable storage device.
- You can now drag and drop MP3 and WMA audio files directly to the player's internal 512MB memory.
- After transferring files, safely eject the device from your computer before disconnecting the USB cable.
Note: Compatibility with older operating systems (e.g., Windows 98, XP) is generally supported. For newer operating systems, ensure your computer has the necessary drivers, though typically it should function as a standard USB mass storage device.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the MP3 player and speakers. Do not use liquid cleaners or abrasive materials.
- Battery Care: Remove batteries if the device will not be used for an extended period to prevent leakage.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or exposing it to excessive shock or vibration.
7. Troubleshooting
- Device does not power on:
- Check if the batteries are correctly inserted and fully charged. Replace if necessary.
- Ensure the power button is pressed and held for a sufficient duration.
- No sound from speakers:
- Verify that the speakers are securely connected to the MP3 player or the 3.5mm audio cable is properly plugged into both the speakers and the external audio source.
- Check the volume levels on both the MP3 player/external device and the speakers.
- Ensure the speakers are powered on (if applicable).
- Computer does not recognize the MP3 player:
- Ensure the USB cable is securely connected to both the player and the computer.
- Try connecting to a different USB port on your computer.
- Restart your computer and try again.
- Verify that the MP3 player is powered on when connected.
- Files not playing:
- Ensure the audio files are in a supported format (MP3 or WMA).
- Check if the files were transferred completely and without corruption.
8. Specifications
| Model Number | CMA3015C |
| Memory Storage Capacity | 512 MB |
| Display | 1.2-inch LCD |
| Supported Audio Formats | MP3, WMA |
| Audio Frequency Response | 20 Hz ~ 20 KHz |
| Supported Compression Rate | 32 Kbps ~ 320 Kbps |
| Connectivity | USB 2.0, 3.5mm Aux |
| Speaker Output | 3 Watts (per speaker, total 6W if stereo) |
| Power Source | AAA Batteries (MP3 Player) |
| Item Weight | 1.8 pounds (approx.) |
| Dimensions | 10.3 x 9.4 x 2.5 inches (Package Dimensions) |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or contact Craig customer service directly. Keep your proof of purchase for any warranty claims.
Manufacturer: Craig





