Introduction
Thank you for choosing the WIITHINK WTB-771 Portable Radio CD Player Boombox. This device offers versatile audio playback options including CD, FM radio, Bluetooth, USB MP3, and AUX-in. This manual provides detailed instructions to help you set up, operate, and maintain your new boombox for optimal performance.
What's in the Box
- CD Boombox
- Quick Start Guide
- US AC Power Cable
- AUX Cable
Product Overview and Controls
Familiarize yourself with the main unit and its control buttons and ports.
- Power Button: Turns the unit on/off.
- Volume +/- Buttons: Adjusts the audio volume.
- EQ/Mode Button: Cycles through different playback modes (CD, USB, AUX, Bluetooth, FM Radio) and EQ presets.
- Play/Pause/Scan Button: Plays or pauses media; initiates FM radio scan.
- Stop/Repeat/Memory Button: Stops playback; activates repeat functions; saves FM radio stations.
- Tune +/- / Skip +/- Buttons: Tunes FM radio frequencies; skips tracks on CD/USB; fast forwards/rewinds.
- LCD Screen Display: Shows current mode, track number, FM frequency, etc.
- AUX In Port: Connects external audio devices via a 3.5mm cable.
- USB Port: For MP3/WMA playback from USB flash drives (FAT32 format, up to 128GB).
- Headphone Jack: For private listening with 3.5mm headphones.
- FM Antenna: Extend for better FM radio reception.
Setup
Powering the Device
The boombox can be powered by either AC power or batteries.
- AC Power: Connect the provided AC power cable to the AC jack on the back of the unit and plug it into a standard wall outlet.
- Battery Power: For portable use, open the battery compartment on the bottom of the unit. Insert 4 x UM2-C 1.5V batteries (not included), ensuring correct polarity. Close the battery compartment securely.
Operating Instructions
CD Playback
- Press the Power button to turn on the boombox.
- Press the EQ/Mode button repeatedly until "CD" appears on the LCD screen.
- Gently open the top-loading CD compartment cover.
- Place a CD (compatible with CDs, CD-R/RW, MP3 CDs, audiobook CDs) onto the spindle with the label side facing up.
- Close the CD compartment cover. The CD will begin playing automatically.
- Use the Play/Pause, Stop/Repeat, and Skip +/- buttons to control playback.
FM Radio
- Press the Power button to turn on the boombox.
- Press the EQ/Mode button repeatedly until "FM" appears on the LCD screen.
- Extend the FM antenna for optimal reception.
- Press the Scan button to automatically scan and save available FM stations (up to 30 presets).
- Use the Tune +/- buttons to manually adjust the frequency or select saved stations.
Bluetooth Connectivity
- Press the Power button to turn on the boombox.
- Press the EQ/Mode button repeatedly until "BT" appears on the LCD screen. The boombox will enter pairing mode.
- On your Bluetooth-enabled device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select "WIITHINK" from the list of devices to pair. Once connected, you will hear a confirmation tone.
- Begin playing audio on your device. The sound will be streamed through the boombox.
Video 1: Portable Cute Radio CD Player Boombox with Bluetooth. This short video demonstrates the boombox's various modes, including Bluetooth, and shows its compact, portable design.
USB MP3 Playback
- Press the Power button to turn on the boombox.
- Insert a USB flash drive (FAT32 format, up to 128GB) containing MP3/WMA audio files into the USB port.
- Press the EQ/Mode button repeatedly until "USB" appears on the LCD screen.
- The boombox will automatically detect and begin playing audio files from the USB drive.
- Use the Play/Pause, Stop/Repeat, and Skip +/- buttons to control playback.
AUX-in Connection
- Press the Power button to turn on the boombox.
- Connect one end of the provided 3.5mm AUX cable to the AUX In port on the boombox.
- Connect the other end of the AUX cable to the headphone jack or audio output port of your external audio device.
- Press the EQ/Mode button repeatedly until "AUX" appears on the LCD screen.
- Play audio from your external device. The sound will be routed through the boombox.
Headphone Use
For private listening, plug any standard 3.5mm headphones into the Headphone Jack on the front of the boombox. The internal speakers will automatically mute when headphones are connected.
EQ Modes
The boombox supports five EQ modes to customize your listening experience: ROCK / POP / FLAT / CLASS / JAZZ. Press the EQ/Mode button briefly to cycle through these presets while playing audio.
Maintenance and Care
- Keep the unit away from direct sunlight, heat sources, and excessive dust or moisture.
- Clean the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- For CD playback, ensure the disc is clean and free of scratches. Handle CDs by the edges to avoid fingerprints.
- If using batteries, remove them if the unit will not be used for an extended period to prevent leakage.
Troubleshooting
| Problem | Solution |
|---|---|
| No power | Check AC power connection or replace batteries. |
| CD not playing | Ensure CD is clean, unscratched, and inserted correctly. Close the CD compartment fully. |
| Poor FM reception | Extend and adjust the FM antenna. Try repositioning the unit. |
| Bluetooth not connecting | Ensure the boombox is in "BT" mode and your device's Bluetooth is enabled and searching. Move devices closer. |
| USB not recognized | Ensure USB drive is FAT32 format and contains MP3/WMA files. Try a different USB drive. |
Specifications
- Model Number: WTB-771
- Product Dimensions: 10.3 x 9.4 x 4.8 inches
- Item Weight: 2.64 pounds
- Connectivity Technology: Auxiliary, Bluetooth, USB
- Speaker Type: Built-In
- Power Source: AC (included cable) or 4 x UM2-C 1.5V batteries (not included)
- USB Compatibility: MP3/WMA files, FAT32 format, up to 128GB
- CD Compatibility: CD, CD-R/RW, MP3 CDs, audiobook CDs
- FM Radio: 87.5-108 MHz, 30 presets
- EQ Modes: ROCK / POP / FLAT / CLASS / JAZZ
Warranty and Support
The WIITHINK WTB-771 Portable Radio CD Player Boombox comes with an 18-month warranty from the date of purchase. For technical support, warranty claims, or any questions regarding your product, please contact WIITHINK customer service through the retailer's platform or visit the official WIITHINK website for contact information.
