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Remove batteries if the radio will not be used for an extended period to prevent corrosion.
Keep the radio dry and avoid using it in humid environments or near water sources.
Do not place objects on the radio or expose it to heat sources like radiators or direct sunlight.
Prevent solvents like spirit, paraffin, or petrol from spilling onto the radio.
Insert the silver key attached to the strap into the jack socket to make the radio stand upright.
Identify the power switch, volume knob, and DC 5V charging/AUX in jack.
Locate the charging indicator/LED flashlight, USB port, and earphone output.
Understand buttons for MP3/channel navigation, repeat, and mode switching (USB/TF/AUX/FM/AM).
Identify the 0-9 number buttons for selection and the telescopic aerial for reception.
Plug the large end into a computer/adapter and the small end into the DC 5V charging jack.
The charging indicator is RED while charging and turns Green when fully charged.
Use a standard DC5V/500-1000mAh charger to avoid damaging the radio.
Turn on the radio and switch to AM or FM mode using the mode button.
Press and hold the Play/Pause/Scan button for 3 seconds to automatically search and store channels.
Use the 0-9 number buttons to manually tune to specific frequencies, e.g., 8+9+8 for 89.8MHz.
Use previous/next buttons or number buttons to select desired stored radio channels.
Extend the telescopic aerial and position the radio near a window, away from electronic devices.
Insert TF card/USB drive with MP3 files; use navigation buttons and repeat function.
Use Number 2/Next folder and Number 1/Previous folder buttons to switch between folders.
The radio only plays MP3 files and requires TF/USB drives to be in FAT32 format.
Connect external devices via AUX cable to the DC 5V/AUX jack for audio playback.
In AUX mode, only volume, play/pause, and mode selection buttons are operational.
Press the LED flashlight switch to turn the built-in flashlight ON or OFF.
Scan QR code for troubleshooting or contact Amazon support for assistance.
Contact customer service via email at prunus-technik@hotmail.com for further assistance.
The PRUNUS J-908 is a versatile AM radio and MP3 player designed for portability and ease of use. It combines traditional radio reception with modern digital audio playback capabilities, making it suitable for various listening preferences.
The device serves primarily as an AM/FM radio and an MP3 player. For radio functionality, it supports both automatic and manual channel searching and storage. Users can automatically scan and store available channels by long-pressing the "Play/Pause/Scan" button for 3 seconds. Manual tuning is possible using the 0-9 number buttons to directly input a frequency (e.g., 8+9+8 for 89.8MHZ). Stored channels can be selected sequentially using the "Previous MP3/channel" or "Next MP3/channel" buttons, or directly by entering their corresponding number using the 0-9 buttons. The telescopic aerial should be extended and rotated for optimal FM/AM reception, especially indoors, where it's recommended to approach a window and keep the radio away from electronic devices like computers, TVs, refrigerators, and mobile phones to minimize interference.
As an MP3 player, the PRUNUS J-908 supports playback from TF cards and USB flash drives. Users simply insert a TF card into the <⑧TF card slot> or a USB flash drive into the <⑤USB port>, and the device will automatically detect and play MP3 files. Navigation through MP3 tracks is done using the "Previous MP3/channel" and "Next MP3/channel" buttons for short presses (to select the next/previous song) or long presses (for rewind/fast-forward). Specific MP3 files can also be selected by entering their number using the 0-9 buttons. The device offers a repeat function accessible via the <⑫Repeat> button, allowing users to repeat the current MP3 (ONE), repeat MP3s within the current folder (FOLD), or repeat all MP3s (ALL). It's important to note that the radio can only read MP3 files and requires flash drives/TF cards to be in FAT32 format; NTFS format is not supported.
The device also features an AUX-in mode, allowing it to act as a speaker for external audio sources like mobile phones or computers. To use this, the user switches to "AM" or "FM" mode (though it doesn't play radio in this mode), inserts an AUX cable into the <③DC 5V charging/AUX in jack> of the radio and the earphone jack of the external device, then plays music from the external device's software/app. In AUX mode, only the <②Volume knob>, <⑩Play/Pause, scan and memory radio channels>, and <⑬Mode switch among USB/TF/AUX/FM/AM> buttons are functional; other buttons are inoperable.
A notable additional feature is the built-in LED flashlight, designed for emergency use. It can be turned ON or OFF using the <⑥LED flashlight switch>.
While specific frequency ranges for AM/FM are not detailed, the manual indicates the ability to tune to specific frequencies like 89.8MHZ. Power Supply: The device is powered by a rechargeable battery. Charging is done via a DC 5V input, using a USB cable connected to a computer's USB jack or a USB power adapter. Charging Indicator: A <④Charging indicator/LED flashlight> lights up red during charging (3-5 hours charging time) and turns green when fully charged. The signal " " flashes to indicate the need for charging. Recommended Charger: Standard DC5V/500-1000mAh charger. Using other chargers may damage the radio. Supported Audio Formats: MP3 files only. Supported Storage Formats: FAT32 for TF cards and USB flash drives. NTFS is not supported. Connectivity: USB port (<⑤USB port>), TF card slot (<⑧TF card slot>), 3.5mm earphone output (<⑦Earphone output>), and a DC 5V charging/AUX in jack (<③DC 5V charging/AUX in jack>).
Volume Control: Adjusted using the <②Volume knob>. Playback Control: <⑩Play/Pause/Scan and memory radio channels> button for play/pause. Mode Switching: <⑬Mode switch among USB/TF/AUX/FM/AM> button to cycle through USB, TF, AUX, FM, and AM modes. Folder Navigation: <⑮Number 2 / Next folder> and <⑯Number 1 / Previous folder> buttons for navigating between folders on TF cards or USB drives. Device Stand: A unique feature allows the radio to stand upright by inserting the silver key (on the end of the strap) into the jack socket. Portability: The compact design and rechargeable battery make it suitable for on-the-go use.
Battery Care: Remove batteries if the radio will not be used for an extended period to prevent corrosion and damage.
Moisture Protection: Keep the radio dry and avoid using it in moist environments like bathrooms and kitchens.
Heat and Sunlight Protection: Do not place the radio near heat sources (radiators, hot water pipes, fires) or in direct sunlight.
Object Placement: Avoid placing liquid-filled containers or lighted candles on top of the radio to prevent damage.
Chemical Exposure: Ensure that solvents such as white spirit, paraffin, or petrol do not spill onto the radio.
Cleaning: While not explicitly detailed, general electronic device cleaning practices (e.g., wiping with a dry, soft cloth) are implied for maintenance.
Troubleshooting: If the flash drive/TF card cannot be read, verify it is in FAT32 format. For other issues, users are directed to scan a QR code for after-sale service or email prunus-technik@hotmail.com.
General| Brand | Prunus |
|---|---|
| Model | J-908 |
| Category | Portable Radio |
| Language | English |
