Introduction
Thank you for purchasing the Greadio CD Player Portable with Bluetooth 5.0. This manual provides detailed instructions for setting up, operating, and maintaining your device. Please read it thoroughly before use to ensure optimal performance and longevity.

Image: The Greadio Portable CD Player in pink, shown with its remote control. The player features a transparent dust cover over the CD tray.
Package Contents
Please verify that all items are present in the package:
- Greadio CD Player Unit
- Remote Control (Note: 1 x 9V battery required, not included)
- 5V-2A USB Power Adapter
- Type-C Charging Cable
- AUX Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the main components and controls of your Greadio CD Player.

Image: Side view of the Greadio CD Player, highlighting the Earphone/AUX port, USB port, Charging port, and Power on/off switch. The unit features a new standing design.
Front Panel & Top Controls:
- CD Dust Lid: Transparent cover for the CD tray.
- LED Screen: Displays current mode (CD, Bluetooth, FM, AUX, USB) and track information.
- Operating Buttons: Mode, Volume Up/Down, Skip Forward/Backward, Play/Pause, Stop.
Side Panel Ports:
- Earphone/AUX Port: For connecting headphones or external audio devices via AUX cable.
- USB Port: For playing music from USB drives.
- Charging Port: Type-C port for power input.
- Power On/Off Switch: Main power control.
Remote Control:
The remote control provides convenient access to all functions from a distance.

Image: A woman relaxing on a couch, using the remote control to operate the Greadio CD Player. The remote allows for convenient control from a distance.
- Power Button
- Mode Selection: USB, Scan, CD, A-B Repeat, Bluetooth, FM, AUX.
- Playback Controls: Play/Pause, Stop, Skip Forward/Backward, Fast Forward/Rewind.
- Volume Controls: Volume Up/Down.
- Numeric Keypad: For direct track selection (CD mode) or FM station input.
- Sleep Timer: Set automatic shutdown time.
Setup
Power Connection:
The Greadio CD Player does not have a built-in battery and requires continuous power. Connect the provided Type-C charging cable to the charging port on the side of the player and the 5V-2A USB power adapter to a wall outlet.

Image: Illustration demonstrating two power supply options: using a power bank or a wall adapter with the Type-C charging cable.
Remote Control Battery Installation:
Open the battery compartment on the back of the remote control and insert one 9V battery, ensuring correct polarity. Close the compartment securely.
Operating Instructions
Turning On/Off:
Slide the Power On/Off switch on the side of the player to the "ON" position. The LED screen will light up. To turn off, slide the switch to "OFF".
Mode Selection:
Press the "MODE" button on the player or the remote control to cycle through available modes: CD, Bluetooth (BT), FM Radio, AUX, and USB.

Image: The LED display of the Greadio CD Player showing indicators for CD Mode, Bluetooth Mode, FM Mode, Line/AUX Mode, and USB Mode.
CD Playback:
- Ensure the player is in CD mode (indicated by "CD" on the LED screen).
- Gently lift the transparent dust lid.
- Place a CD (CD, CD-R, CD-RW, MP3, WMA format) onto the spindle, label side up.
- Close the dust lid. The player will automatically begin reading the disc.
- Use the Play/Pause, Stop, Skip Forward/Backward buttons on the player or remote to control playback.
- To repeat a track or album, press the "REPEAT" button on the remote.
Bluetooth Mode (Transmitting):
This mode allows the CD player to transmit audio to Bluetooth headphones or speakers.
- Switch the player to Bluetooth mode (indicated by "BT" on the LED screen).
- The player will automatically enter pairing mode.
- Enable Bluetooth on your wireless headphones or speaker and set them to pairing mode.
- Once connected, audio from the CD player (or USB/AUX if selected) will play through your Bluetooth device.

Image: The Greadio CD Player transmitting audio wirelessly via Bluetooth 5.0 to a pair of headphones and a retro-style Bluetooth speaker.
Bluetooth Mode (Receiving):
This mode allows the CD player to receive audio from your Bluetooth-enabled devices like smartphones, tablets, or laptops.
- Switch the player to Bluetooth mode (indicated by "BT" on the LED screen).
- On your external device, search for "Greadio CD Player" (or similar name) in the Bluetooth settings.
- Select the player to connect. Once connected, audio from your device will play through the CD player's speakers.

Image: The Greadio CD Player receiving audio wirelessly via Bluetooth 5.0 from a laptop and a smartphone, demonstrating its receiving capabilities.
FM Radio Mode:
- Switch the player to FM mode (indicated by "FM" or frequency on the LED screen).
- Press the "SCAN" button on the remote control to automatically scan and save available FM stations.
- Use the Skip Forward/Backward buttons to navigate through saved stations.
- You can also manually tune by entering the frequency using the numeric keypad on the remote.

Image: The Greadio CD Player operating in FM Radio mode, with a child and adult enjoying the music. The image highlights the frequency range of 87.5-108MHz.
USB Playback:
- Insert a USB flash drive into the USB port on the side of the player.
- Switch the player to USB mode (indicated by "USB" on the LED screen).
- The player will automatically detect and play compatible audio files (MP3, WMA).
- Use the playback controls on the player or remote.

Image: The Greadio CD Player playing music from a USB drive inserted into its side port, with musical notes floating around the device.
AUX Mode:
- Connect one end of the provided AUX cable to the Earphone/AUX port on the player.
- Connect the other end to the audio output of an external device (e.g., smartphone, computer).
- Switch the player to AUX mode (indicated by "LINE" on the LED screen).
- Audio from your external device will now play through the CD player's speakers. Control playback from your external device.

Image: The Greadio CD Player connected to a laptop via an AUX cable, displaying "LINE" on its LED screen, indicating AUX mode is active.
Sleep Timer Function:
The sleep timer allows the player to automatically shut off after a set period.
- Press the "SLEEP" button on the remote control.
- Repeatedly press the button to cycle through available shutdown times: 30, 60, 90, 120, 150, 180 minutes.
- The selected time will be displayed on the LED screen. The player will power off automatically after the set duration.

Image: A woman sleeping peacefully in bed, with the Greadio CD Player on her nightstand, illustrating the use of the personalized sleep timer setting.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the player. For the CD lens, use a specialized CD lens cleaner. Do not use abrasive cleaners or solvents.
- Dust Cover: Keep the transparent dust cover closed when not in use to prevent dust accumulation on the CD lens and tray.
- Storage: Store the player in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling CDs: Always hold CDs by their edges. Avoid touching the playing surface. Store CDs in their cases when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Player does not power on. | Not connected to power; Power switch is OFF. | Ensure the USB cable is securely connected to the player and the power adapter, and the adapter is plugged into a working outlet. Slide the power switch to "ON". |
| CD does not play or skips. | CD is dirty, scratched, or inserted incorrectly; Incorrect mode selected. | Clean the CD with a soft cloth. Ensure the CD is inserted correctly, label side up. Check if the player is in CD mode. |
| No sound from speakers. | Volume is too low or muted; Incorrect mode; Headphones connected. | Increase the volume. Ensure the correct mode is selected. Disconnect headphones if you want sound from speakers. |
| Bluetooth device cannot connect. | Player not in Bluetooth mode; Device too far; Interference. | Ensure the player is in Bluetooth mode. Move the device closer to the player. Avoid obstacles and other electronic devices that may cause interference. |
| Remote control not working. | Battery is dead or inserted incorrectly; Obstruction between remote and player. | Replace the 9V battery, ensuring correct polarity. Remove any obstructions between the remote and the player's sensor. |
Specifications
- Model: KC-806
- Dimensions: 5.67 x 2.07 x 5.67 inches (14.4 x 5.26 x 14.4 cm)
- Weight: 1.15 pounds (0.52 kg)
- Supported CD Formats: CD, CD-R, CD-RW, MP3, WMA
- Bluetooth Version: 5.0
- Connectivity: Bluetooth, AUX, USB
- FM Radio Frequency: 87.5-108 MHz
- Power Input: 5V-2A via Type-C USB
- Remote Control Battery: 1 x 9V (not included)
- Manufacturer: Greadio
Warranty and Support
Greadio provides a twelve-month manufacturer warranty for this product from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical assistance, troubleshooting, or warranty claims, please contact Greadio customer service. We offer 24/7 customer support to ensure your satisfaction.
You can find contact information and further support resources on the official Greadio website or through your purchase platform.
For more information, visit the Greadio Store on Amazon.




