Greadio CD02

Greadio Bluetooth CD Player User Manual

Model: CD02

Introduction

Thank you for purchasing the Greadio Bluetooth CD Player. This portable audio device combines multiple playback options with a unique triangular design and vibrant RGB lighting. Featuring a 20W speaker and a 4000mAh rechargeable battery, it offers versatile music enjoyment at home or on the go. Please read this manual carefully to ensure proper use and maintenance of your device.

What's in the Box

  • Portable CD Player x 1
  • Remote Control x 1
  • Type-C Charging Cord x 1
  • User Manual x 1
  • Reset Pin x 1

Product Features

  • HiFi Speaker System: Dual 10W speakers with independent sound cavity design for enhanced sound detail and boosted bass. Supports CD/CD-R/CD-RW/MP3/WMA formats with 5 EQ presets.
  • Modern Triangular Design with RGB Lights: Unique triangular shape for stability and a dust cover for CD protection. Features 6-color LED modes (R/G/B/Y/P/W) for ambient lighting.
  • Portable with Long Battery Life: Built-in 4000mAh rechargeable battery provides 6-12 hours of playback. Includes a remote control for convenience.
  • All-in-One Connectivity: Supports CD, USB, FM radio, Optical output, Bluetooth 5.3, and 3.5mm audio input/output.
  • Transparent Lid: Allows visibility of the spinning disc.
Greadio Bluetooth CD Player with remote, cables, and battery icon
Image: Overview of the Greadio Bluetooth CD Player, showing the device, remote control, charging cable, and audio cable, highlighting its portable nature and included accessories.
Close-up of Greadio CD Player speaker with sound details
Image: Close-up view of the speaker on the Greadio CD Player, illustrating sound details penetrating the eardrums, emphasizing the 2*10W powerful speaker and high and low sound polymer diaphragm.
Greadio CD Player with 8 modes color lights
Image: The Greadio CD Player showcasing its 8 modes of colorful LED lighting, with examples of green, red, blue, yellow, purple, and white light modes, indicating multi-colored and breathing light options.
Greadio CD Player showing various input modes like CD, USB, AUX, Optical, Bluetooth, FM
Image: The Greadio CD Player highlighting its 'All in One' capabilities, displaying icons for Colorful RGB Light, AUX Mode, 3.5mm Earphone Jack, USB Mode, Optical Output, FM Mode, A-B Repeat, and Bluetooth Mode.

Setup

Charging the Device

Before first use, fully charge the CD player using the provided Type-C charging cord. Connect the Type-C end to the player's charging port and the USB-A end to a compatible USB power adapter (not included) or computer USB port. The LED display will indicate charging status. A full charge typically takes 4-5 hours.

Greadio CD Player showing up to 12 hours working time with 4000mAh battery
Image: The Greadio CD Player highlighting its built-in 4000mAh rechargeable battery, providing up to 12 hours of working time, with an estimated 4-5 hours charging time.

Inserting a CD

  1. Gently lift the transparent dust cover from top to bottom.
  2. Place the CD onto the spindle with the label side facing up.
  3. Close the dust cover securely.
Person holding Greadio CD Player by its portable handle
Image: A person holding the Greadio CD Player by its portable handle, demonstrating its ease of transport and triangular design.

Operating Instructions

Basic Controls

The device features controls on its side panel and a remote control for convenient operation.

  • Power Button: Press to turn on/off.
  • Mode Button: Short press to switch between CD, USB, FM, Optical, Bluetooth, and AUX modes.
  • Volume Knob: Rotate to adjust volume.
  • Play/Pause Button: Press to play or pause playback.
  • Previous/Next Track Buttons: Short press to skip tracks; long press for fast forward/rewind.
  • EQ Button: Short press to cycle through 5 EQ presets (POP, FLAT, JAZZ, ROC, CLA).
Close-up of Greadio CD Player controls and display
Image: Close-up view of the control panel and digital display on the Greadio CD Player, showing buttons for volume, EQ, mode selection, and track navigation.

CD Playback

After inserting a CD, the player will automatically begin playback. Use the track navigation buttons to select desired songs.

Bluetooth Mode

  1. Short press the Mode button until "BT" appears on the display.
  2. On your external device (phone, tablet, laptop), enable Bluetooth and search for "CD02".
  3. Select "CD02" to pair. A confirmation sound will indicate successful connection.

Note: Not suitable for connecting to car Bluetooth. Keep only one Bluetooth device around that needs to be connected to avoid interference.

Greadio CD Player showing Bluetooth 5.3 fast connect for receiver and transmitter
Image: The Greadio CD Player demonstrating Bluetooth 5.3 connectivity, showing it can act as both a Bluetooth receiver (connecting to a laptop/tablet) and a Bluetooth transmitter (connecting to headphones/speakers).

FM Radio Mode

  1. Short press the Mode button to switch to FM mode.
  2. Short press the next song button to tune into your favorite channel or long press to auto search radios.
  3. The built-in antenna receives the radio signal and plays it stably.
Video: Demonstrates how to use the FM radio mode on the Greadio CD Player, including switching to FM mode and tuning into stations. This video also briefly shows remote control usage.

USB Playback

Insert a USB flash drive (max 128GB) into the USB port. The player will automatically switch to USB mode and begin playback of compatible audio files (MP3/WMA).

AUX Mode

Connect an external audio device (e.g., smartphone, MP3 player) to the 3.5mm AUX input jack using an audio cable (not included). Switch to AUX mode using the Mode button.

Optical Output

Connect the optical output port to a compatible high-end speaker or home theater system for enhanced audio experience.

A-B Repeat Function

  1. Press the A-B button on the remote control to set the start point "A".
  2. Press the A-B button again to set the end point "B".
  3. The CD player will automatically repeat the music in the A-B interval.
  4. Press the A-B button for the third time to exit the repeat function and the screen will display "OFF".
Video: Demonstrates how to use the A-B repeat function on the Greadio CD Player. The video shows pressing the A-B button on the remote to set start and end points for repeating a section of audio.

Using the Remote Control

The included remote control allows for convenient operation from a distance (up to 32.8 feet in an unobstructed environment). It can control volume, track selection, mode switching, EQ settings, and A-B repeat.

Person using remote control with Greadio CD Player
Image: A person using the remote control to operate the Greadio CD Player from a distance, illustrating the convenience of remote operation.

Maintenance

  • Keep the device clean by wiping with a soft, dry cloth.
  • Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
  • Do not use abrasive cleaners or solvents.
  • Handle CDs by the edges to prevent scratches and smudges.
  • When not in use for extended periods, store the device in a cool, dry place.

Troubleshooting

ProblemPossible Solution
Device does not power on.Ensure the battery is charged. Connect the Type-C charging cable and try again. If unresponsive, use the reset pin in the reset hole.
CD does not play or skips.Check if the CD is clean and free of scratches. Ensure the CD is properly seated on the spindle. Try a different CD.
No sound.Check the volume level. Ensure the correct mode (CD, BT, FM, etc.) is selected. If using external speakers, check their connection and power.
Bluetooth pairing fails.Ensure the player is in Bluetooth mode. Turn off Bluetooth on other nearby devices. Move the player closer to your device. Try unpairing and re-pairing.
FM radio reception is poor.Adjust the position of the player. Move away from potential interference sources (e.g., Wi-Fi routers, other electronics).

Specifications

  • Model: CD02
  • Product Dimensions: 7.32 x 6.3 x 5.85 inches
  • Item Weight: 2.58 pounds
  • Manufacturer: Greadio
  • Battery: 4000mAh Rechargeable (2 Nonstandard Battery batteries included)
  • Connectivity: Bluetooth 5.3, USB, 3.5mm Audio Jack (Input/Output), Optical Output
  • Speaker Output: 2 x 10W (Total 20W)
  • Supported Disc Formats: CD, CD-R, CD-RW, MP3, WMA
  • Special Features: Anti-Skip Protection, RGB Lighting, Remote Control, Portable Handle

Warranty & Support

Greadio offers a 12-month warranty for this product, along with a 30-day money-back guarantee. For any inquiries or assistance, please contact our 24/7 customer service. We are committed to providing high-quality products and excellent customer experience.

For further support, please visit the official Greadio Store: Greadio Store on Amazon

© 2025 Greadio. All rights reserved.

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