Taw qhia
Ua tsaug rau kev yuav khoomasing the WIITHINK Portable CD Player Boombox WTB-791. This manual provides essential information for the safe and efficient operation of your new device. Please read it thoroughly before use and retain it for future reference.
Dab tsi nyob hauv lub thawv
Thaum unpacking, thov xyuas kom meej tias tag nrho cov khoom teev hauv qab no muaj nyob thiab zoo:
- 1 x WTB-791 Portable CD Radio Boombox (Batteries Not Included)
- 1 x Remote Control (Batteries Not Included)
- 1 x Fais fab Cable
- 1 x AUX Line
- 1 x User Manual
- 1 x Ntim Box

Daim duab 1: Cov ntsiab lus ntawm pob. The image displays the WIITHINK WTB-791 Portable CD Radio Boombox, its remote control, power cable, AUX cable, and user manual, all neatly arranged as they would appear upon unboxing.
Teeb tsa
1. Fais fab lub cuab yeej
The WTB-791 Boombox can be powered by either AC power or batteries.
- AC zog: Connect the provided power cable to the AC IN jack located at the back of the unit and then plug it into a standard wall outlet (100-240V~).
- Lub zog roj teeb: 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.

Figure 2: Power Options. This image illustrates the rear of the boombox, highlighting the AC IN jack for power cable connection and the battery bay for portable operation with 4 C-size batteries.
2. Kev teeb tsa chaw taws teeb
The remote control requires 2 x AAA batteries (not included). Open the battery compartment on the back of the remote, insert the batteries with correct polarity, and close the cover.
3. Antenna for FM Radio
For optimal FM radio reception, extend the telescopic antenna located at the back of the unit. Adjust its position for the best signal.
Cov lus qhia ua haujlwm
1. Cov Thawj Tswj
- Fais fab / Off: Nias lub Hwj chim khawm ntawm chav tsev lossis chaw taws teeb tswj.
- Volume Control: Tig lub VOLUME pob qhov rooj ntawm chav tsev los yog siv lub VOL +/- nyees khawm ntawm qhov chaw taws teeb.
- Hom Kev Xaiv: Nias lub MODE button on the unit or remote to switch between CD, FM Radio, Bluetooth, USB, and AUX modes.
- EQ Hom: Nias lub EQ/FUN button on the unit or the EQ buttons on the remote to cycle through ROCK, POP, FLAT, CLASS, and JAZZ sound modes.

Figure 3: Unit Controls. Daim duab no muab ib qho dhau losview of the boombox's top panel, detailing the location of the power, volume, mode, and EQ buttons, along with the remote control for convenient operation.
2. Kev ua haujlwm ntawm CD Player
The top-loading CD player is compatible with CD, CD-R/RW, MP3 CDs, and audiobook CDs.
- Qhib lub hau ntawm lub CD los ntawm kev tsa nws maj mam.
- Muab ib daim CD nrog daim ntawv lo rau sab saum toj ntawm lub spindle.
- Kaw lub CD compartment cover.
- Hloov mus rau CD siv hom kev siv MODE button. The display will show "CD" and begin reading the disc.
- Siv cov PLAY/PAUSE, TSIS TAU, HLOOV/Nrhiav (forward/backward), and Rov ua dua cov nyees khawm ntawm lub tshuab lossis chaw taws teeb tswj kom tswj tau kev ua si.
- Cov PHAJ button allows you to program a custom playback order for tracks.

Figure 4: CD Player. This image shows the top-loading CD player with its cover open and a disc placed inside, ready for playback.
3. FM xov tooj cua ua haujlwm
Enjoy FM radio with digital tuning and up to 30 station presets.
- Ntev lub telescopic antenna rau kev txais tos zoo dua.
- Hloov mus rau Xov tooj cua FM siv hom kev siv MODE button. The display will show the current frequency.
- Pib Pib: Nias thiab tuav lub SCAN button (often combined with Play/Pause or Repeat) to automatically scan and save available stations. The unit can store up to 30 stations.
- Kev Ceev Nyob: Siv cov TUA lub pob qhov rooj ntawm lub unit los yog lub CH +/- buttons on the remote to manually tune to a specific frequency.
- Recall Presets: Siv cov PHAJ button on the remote to cycle through saved preset stations.
4. Kev sib txuas Bluetooth
Wirelessly stream music from your Bluetooth-enabled devices.
- Hloov mus rau Bluetooth siv hom kev siv MODE button. The display will show "BT" and flash, indicating it's ready for pairing.
- On your mobile device, enable Bluetooth and search for "WTB-791" in the list of available devices.
- Select "WTB-791" to pair. Once connected, the "BT" indicator will stop flashing, and you can start playing music from your device.

Figure 5: Bluetooth Connection. This diagram illustrates how the boombox can connect wirelessly to various Bluetooth-enabled devices, expanding your audio playback options.
5. USB Playback
Play MP3/WMA audio files directly from a USB flash drive (up to 128GB, FAT32 format only).
- Insert your USB flash drive into the USB port on the front of the unit.
- Hloov mus rau USB siv hom kev siv MODE button. The unit will automatically detect and play compatible audio files.
- Use the playback controls (Play/Pause, Skip/Search) to navigate your music.
6. AUX tswv yim
Connect external audio devices using the 3.5mm AUX cable.
- Txuas ib kawg ntawm lub AUX cable uas muab rau lub mloog pob ntseg AUX IN jack on the front of the boombox.
- Txuas lwm kawg rau lub qhov (headphone jack) lossis lub qhov (audio output) ntawm koj lub cuab yeej sab nraud.
- Hloov mus rau AUX siv hom kev siv MODE khawm.
- Tswj kev ua si thiab ntim ntawm koj lub cuab yeej sab nraud.
7. Lub mloog pob ntseg nkaus
For private listening, plug any standard 3.5mm headphones into the HEADPHONE jack on the front of the unit. The speakers will automatically mute.
Kev tu
- Ntxuav: Siv ib daim ntaub mos, qhuav los ntxuav lub sab nrauv ntawm chav tsev. Tsis txhob siv cov tshuaj abrasive los yog cov kuab tshuaj.
- CD Care: Handle CDs by their edges. Clean discs with a soft, lint-free cloth, wiping from the center outwards.
- Cia: When not in use for extended periods, remove batteries and store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
Kev daws teeb meem
| Teeb meem | Ua Tau | Kev daws |
|---|---|---|
| Tsis muaj zog | Fais fab cable tsis txuas; Cov roj teeb depleted los yog tsis raug tso. | Xyuas kom tseeb tias cov xov hluav taws xob txuas ruaj khov rau lub tshuab thiab qhov hluav taws xob. Hloov cov roj teeb lossis xyuas qhov polarity. |
| CD tsis ua si / "NO DISC" yuam kev | CD inserted incorrectly; Disc is dirty or scratched; Incompatible disc format. | Insert CD with label side up. Clean or replace disc. Ensure disc is compatible (CD, CD-R/RW, MP3 CD). |
| Kev txais xov tooj cua FM tsis zoo | Kav hlau txais xov tsis txuas ntxiv lossis muab tso kom raug; Tsis muaj zog teeb liab cheeb tsam. | Ua kom ntev thiab kho lub kav hlau txais xov telescopic. Sim txav lub tsev mus rau lwm qhov chaw. |
| Bluetooth tsis txuas | Device not in pairing mode; "WTB-791" not selected; Device too far. | Ensure boombox is in Bluetooth mode and flashing. Select "WTB-791" on your device. Keep devices within 10 meters. |
| USB tsis ua si | USB drive tsis tau ntxig kom raug; Tsis sib xws file format; USB drive not FAT32. | Ensure USB is fully inserted. Check if files are MP3/WMA. Format USB drive to FAT32 if necessary. |
Specifications
| Feature | Paub meej |
|---|---|
| Qauv nab npawb | TWB-791 |
| Khoom Dimensions (L x W x H) | 7 x 10 x 5 po |
| Yam Nyhav | 3.91 puj |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Hom hais lus | Ua-hauv |
| Fais fab tso zis | 2 x 2 W RMS |
| FM Xov Tooj Cua | 87.5-108 MHz |
| Kev them nyiaj yug USB | MP3/WMA, up to 128GB (FAT32 format only) |
| Hwj chim Source | AC 100-240V~ / 4 x C batteries (not included) |
Warranty thiab Support
WIITHINK is committed to customer satisfaction. Your WTB-791 Portable CD Player Boombox comes with the following support:
- 18-Lub Hlis Hloov: For missing parts or defective products.
- Lifetime Technical Support: Assistance with product usage and issues.
- 7/24 Amazon Buyer-Seller Messaging: For any inquiries or support needs.
For further assistance, please contact WIITHINK Direct through your Amazon Orders page.
Khoom Muag Tshaj Tawmview Video
Video 1: CD Radio Portable CD Player Boombox with Bluetooth. This official video from WIITHINK Direct provides a concise overview of the boombox's key features and functionalities, including CD playback, radio, and Bluetooth connectivity.