Greadio CD-W16

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

Greadio CD Player Portable Boombox (Model CD-W16) Instruction Manual

Your comprehensive guide to operating and maintaining your Greadio multifunctional audio system.

1. Introduction

Thank you for choosing the Greadio CD Player Portable Boombox, Model CD-W16. This versatile audio system combines a CD player, cassette player, FM radio, Bluetooth 5.1 connectivity, and playback options for USB, SD cards, and AUX input. Designed for portability and ease of use, this manual will guide you through its features, setup, operation, and maintenance to ensure you get the most out of your device.

2. Product Overview

The Greadio CD-W16 offers multiple audio playback modes in a compact design. It features an LED screen for clear information display and comes with a remote control for convenient operation. The integrated 5000mAh rechargeable battery provides extended playback time, making it ideal for both home and portable use.

Key Features:

  • Multi-format Playback: Supports CD, CD-R, CD-RW, MP3 CDs, Cassettes, FM Radio, Bluetooth 5.1, USB, SD/TF Card, and AUX input.
  • Bluetooth 5.1: Functions as both a Bluetooth sender and receiver for versatile wireless audio streaming.
  • Rechargeable Battery: Built-in 5000mAh battery for portable use, offering 10+ hours of playtime after 5 hours of fast charging via USB-C.
  • Dual 5W Stereo Speakers: Delivers clear audio with anti-vibration design.
  • Remote Control: Full-function remote for easy operation.
  • Improved Antenna: For enhanced FM radio reception.
  • Sleep Timer: Programmable sleep timer function.
Greadio CD Player Portable Boombox with icons illustrating its features: CD Player, Bluetooth 5.1, 5000mAh battery, FM Radio, Cassette Recorder, USB/SD/TF Card, A-B Repeat, AUX, Sleep Timer, Programmable.

Image: The Greadio CD Player Portable Boombox, Model CD-W16, showcasing its various playback options and features.

Greadio CD Player Boombox with sound waves emanating from its speakers, highlighting Dual 5W Stereo with Anti-Vibration Design and audio performance metrics.

Image: The Greadio CD Player Boombox emphasizing its dual 5W stereo speakers and anti-vibration design for enhanced sound quality.

3. Setup

3.1 Powering On Your Device

  1. Charging the Battery: Before first use, fully charge the built-in 5000mAh rechargeable battery. Connect the provided USB-C cable to the DC IN 5V port on the unit and plug the other end into a 5V 2A USB power adapter (adapter not included). The charging indicator will show the charging status. A full charge takes approximately 5 hours and provides over 10 hours of playtime.
  2. AC Power: Alternatively, you can operate the unit directly using the USB-C cable connected to a 5V 2A USB power adapter.
  3. Power On/Off: Press the POWER button on the unit or remote control to turn the device on or off.
Greadio CD Player Boombox connected to a USB-C charger, with a large '5000 mAh' graphic indicating its battery capacity and charging details.

Image: The Greadio CD Player Boombox highlighting its 5000mAh rechargeable battery, 5-hour fast charging, 10+ hours playtime, and USB-C cable connection.

4. Operating Instructions

Use the MODE button on the unit or remote control to switch between different playback modes (CD, FM, Cassette, Bluetooth, USB, SD, AUX).

4.1 CD Player Operation

  1. Open the CD compartment lid.
  2. Carefully place a CD (CD, CD-R, CD-RW, or MP3 CD) onto the spindle with the label side facing up.
  3. Close the CD compartment lid.
  4. Press the MODE button to select CD mode. The display will show "CD" and begin reading the disc.
  5. Use the PLAY/PAUSE button to start or pause playback.
  6. Use the PREV/NEXT buttons to skip tracks.
  7. Repeat Function: Press the REPEAT button to cycle through repeat modes (e.g., repeat one track, repeat all tracks).
  8. Program Function: Press the PROG button to program a sequence of tracks for playback.
A person holding a remote control while operating the Greadio CD Player Boombox, with a CD being inserted into the player.

Image: Demonstrating the use of the remote control and CD insertion for the Greadio CD Player Boombox.

4.2 Cassette Player Operation

  1. Open the cassette compartment door.
  2. Insert a cassette tape with the open edge facing towards you.
  3. Close the cassette compartment door.
  4. Press the MODE button to select Cassette mode.
  5. Use the cassette control buttons (Play, Stop, Fast Forward, Rewind) to operate the tape.

Note: This device supports cassette playback. The voice recording function is not available in cassette mode.

A person playing a guitar with the Greadio CD Player Boombox in the foreground, showing a cassette tape being inserted into the player.

Image: A cassette tape being inserted into the Greadio CD Player Boombox, illustrating its cassette playback capability.

4.3 FM Radio Operation

  1. Extend the telescopic antenna for optimal reception.
  2. Press the MODE button to select FM Radio mode. The display will show the current frequency.
  3. Auto Scan: Press and hold the SCAN button to automatically scan and save available FM stations.
  4. Manual Tuning: Use the PREV/NEXT buttons to manually tune to desired frequencies.
A woman using the Greadio CD Player Boombox with its antenna extended, showing various FM frequencies around her, indicating improved radio reception.

Image: The Greadio CD Player Boombox with its extended antenna, demonstrating improved FM radio reception across a wide frequency range.

4.4 Bluetooth Operation (Bluetooth 5.1)

The Greadio CD-W16 can function as both a Bluetooth sender and receiver.

4.4.1 Bluetooth Receiver Mode (Connect to Phone/Tablet)

  1. Press the MODE button to select Bluetooth mode. The display will show "BLUE" and the Bluetooth indicator will flash, indicating it's ready for pairing.
  2. On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
  3. Select "Greadio CD-W16" from the list of devices.
  4. Once paired, the Bluetooth indicator will stop flashing and remain solid. You can now stream audio from your device to the boombox.

4.4.2 Bluetooth Sender Mode (Connect to Bluetooth Headphones/Speaker)

  1. Ensure the boombox is in CD, USB, SD, or FM mode.
  2. Press and hold the Bluetooth button (often combined with the MODE button or a dedicated button) to activate sender mode. The display may show a different indicator or the Bluetooth icon will flash differently.
  3. Put your Bluetooth headphones or speaker into pairing mode.
  4. The boombox will search for and connect to the nearest available Bluetooth audio device. Once connected, audio from the boombox will play through your external Bluetooth device.
Two images showing the Greadio CD Player Boombox in Bluetooth Sender mode (connected to a Bluetooth speaker and headphones) and Bluetooth Receiver mode (connected to a laptop, tablet, and smartphone).

Image: Illustration of the Greadio CD Player Boombox functioning as both a Bluetooth sender (transmitting audio to headphones/speakers) and a Bluetooth receiver (playing audio from smart devices).

4.5 USB / SD Card Playback

  1. Insert a USB flash drive into the USB port or an SD/TF card into the SD card slot. Ensure the card is inserted correctly.
  2. Press the MODE button to select USB or SD mode. The unit will automatically detect and begin playing MP3 files.
  3. Use the PLAY/PAUSE and PREV/NEXT buttons to control playback.

Note: Supports MP3 format files. Maximum capacity for USB drives and SD/TF cards is 32GB.

4.6 AUX Input

  1. Connect an external audio device (e.g., MP3 player, smartphone) to the AUX IN port using a 3.5mm audio cable (not included).
  2. Press the MODE button to select AUX mode.
  3. Control playback directly from your connected external device.
Close-up images of the Greadio CD Player Boombox's AUX, USB, and TF/SD card ports, with corresponding icons and labels.

Image: Detailed view of the AUX, USB, and TF/SD card input ports on the Greadio CD Player Boombox.

4.7 Remote Control

The included remote control allows you to conveniently operate all functions of the boombox from a distance, including power, mode selection, volume adjustment, track skipping, play/pause, repeat, and program functions.

4.8 Sleep Timer

The sleep timer function allows you to set a duration after which the boombox will automatically turn off. Refer to the specific instructions in your full manual for setting the sleep timer.

5. Maintenance

5.1 Cleaning

  • Always disconnect the power before cleaning.
  • Use a soft, dry cloth to clean the exterior of the unit.
  • For stubborn stains, lightly dampen the cloth with water or a mild detergent, then wipe dry.
  • Do not use abrasive cleaners, waxes, or solvents as they may damage the surface.
  • To clean the CD lens, use a specialized CD lens cleaner disc (not included).

5.2 Battery Care

  • To prolong battery life, avoid fully discharging the battery frequently.
  • If the unit will not be used for an extended period, charge it to about 50% and store it in a cool, dry place. Recharge every 3-6 months.

6. Troubleshooting

ProblemPossible CauseSolution
No powerBattery is depleted; Power adapter not connected or faulty.Charge the battery; Ensure power adapter is securely connected and functional.
No soundVolume is too low; Mute function is active; Incorrect mode selected; Headphones connected.Increase volume; Deactivate mute; Select the correct playback mode; Disconnect headphones.
CD skipping or not playingCD is dirty or scratched; CD inserted incorrectly; CD compartment lid not closed; Unsupported CD format.Clean or replace CD; Insert CD correctly; Close lid securely; Ensure CD is CD, CD-R, CD-RW, or MP3 format.
Poor FM radio receptionAntenna not extended; Weak signal in area.Fully extend and adjust the telescopic antenna; Try moving the unit to a different location.
Bluetooth pairing failedDevice not in pairing mode; Too far from boombox; Interference.Ensure boombox is in Bluetooth pairing mode; Keep devices within 10 meters; Reduce interference from other wireless devices.
USB/SD card not recognizedCard/drive inserted incorrectly; Unsupported file format; Card/drive capacity too large.Reinsert card/drive; Ensure files are MP3 format; Use card/drive up to 32GB capacity.

7. Specifications

  • Brand: Greadio
  • Model Number: CD-W16 (also GB-W16)
  • Connectivity Technology: Auxiliary, Bluetooth 5.1, USB
  • Color: Black
  • Speaker Type: Stereo
  • Number of Speakers: 2
  • Audio Output Mode: Stereo
  • Wattage: 5 watts (per speaker, total 10W)
  • Item Dimensions (L x W x H): 7.56 x 7.56 x 5.16 inches
  • Item Weight: 1.36 kg
  • Built-In Media: CD, Cassette, FM Radio, Bluetooth, USB, SD/TF Card, AUX
  • Battery: 5000mAh Rechargeable Lithium Battery
  • USB/SD Card Support: MP3 format, up to 32GB

8. Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Greadio website. If you encounter any issues not covered in this manual, please contact Greadio customer service for assistance.

Greadio Store: https://www.amazon.com/stores/Greadio/page/5474B11A-6B61-4781-9F9F-FEE72F149E9C

© 2023 Greadio. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.