PRUNUS J-919 Retro Bluetooth Speaker Radio User Manual

Introduction

Thank you for choosing the PRUNUS J-919 Retro Bluetooth Speaker Radio. This device combines vintage aesthetics with modern functionality, offering Bluetooth connectivity, FM radio, MP3 playback via TF card, and AUX input. This manual provides comprehensive instructions to help you get the most out of your new speaker radio.

Image: Front view of the PRUNUS J-919 Retro Bluetooth Speaker Radio, showcasing its wooden finish and classic dial.

Safety Information

• Do not expose the device to rain, moisture, or extreme temperatures.
• Avoid dropping or subjecting the device to strong impacts.
• Do not disassemble or attempt to repair the device yourself. Refer to qualified service personnel.
• Keep out of reach of children.
• Use only the provided USB cable for charging.

Product Overview

Familiarize yourself with the components and controls of your PRUNUS J-919.

Controls and Ports:

• Tuning Knob: Used to select FM radio frequencies.
• Volume Knob / Power Switch: Rotate to adjust volume; press and hold to power on/off.
• Mode Switch (FM/BT/AUX): Toggle between FM radio, Bluetooth, and AUX input modes.
• TF Card Slot: For inserting a TF (Micro SD) card for MP3 playback.
• AUX Input Jack: For connecting external audio devices via a 3.5mm audio cable.
• Micro USB Charging Port: For charging the built-in battery.
• FM Antenna: Extendable antenna for improved FM reception.

Image: The PRUNUS J-919 showcasing its compact and portable design, with dimensions (106mm x 68mm x 50mm) and weight (245g).

Setup

Charging the Battery:

1. Connect the supplied USB charging cable to the Micro USB port on the back of the radio.
2. Connect the other end of the USB cable to a DC5V/500mA-2A USB adapter, computer USB port, car charger, or power bank.
3. The charging indicator light will illuminate during charging. It will turn off or change color (depending on the unit) when fully charged.
4. A full charge typically takes approximately 2-3 hours.

Image: The PRUNUS J-919 connected via USB cable to a laptop, illustrating the charging process.

Operating Instructions

Power On/Off:

Press and hold the Volume knob to power the device on or off.

Adjusting Volume:

Rotate the Volume knob clockwise to increase volume and counter-clockwise to decrease volume.

Mode Selection:

Use the Mode switch (FM/BT/AUX) to select your desired operating mode.

Bluetooth Mode:

1. Switch the mode to "BT" (Bluetooth). The radio will emit an audible prompt indicating it's in pairing mode.
2. On your smartphone or other Bluetooth-enabled device, enable Bluetooth and search for available devices.
3. Select "PRUNUS J-919" from the list of devices.
4. Once connected, the radio will confirm with an audible prompt. You can now play audio from your device through the speaker.

Image: The PRUNUS J-919 placed on a table next to a smartphone, illustrating the wireless Bluetooth connection capability.

FM Radio Mode:

1. Switch the mode to "FM".
2. Extend the FM antenna fully for optimal reception.
3. Rotate the Tuning knob to scan for radio stations. The frequency display will show the current station.
4. Adjust the tuning knob slowly for precise station selection.

Image: The PRUNUS J-919 in a sunlit room, emphasizing its smooth tuning and good reception for FM radio (87.5 to 108 MHz).

Image: The PRUNUS J-919's frequency display illuminated with a warm light, making it easy to tune at night.

TF Card Playback:

1. Ensure your TF (Micro SD) card contains MP3 audio files.
2. Insert the TF card into the TF card slot on the device.
3. The radio will automatically switch to TF card mode and begin playing the MP3 files.
4. Note: The device supports TF cards up to 32GB.

AUX Input Mode:

1. Connect one end of a 3.5mm audio cable (not included) to the AUX input jack on the radio.
2. Connect the other end of the audio cable to the headphone jack or audio output of your external device (e.g., MP3 player, computer).
3. Switch the mode to "AUX". The audio from your external device will now play through the speaker.

Image: A diagram illustrating the universal compatibility of the PRUNUS J-919, supporting Bluetooth connection with smartphones/tablets, MP3 playback from Micro SD/TF cards, and AUX input from computers/laptops/MP3 players.

Maintenance

• Cleaning: Use a soft, dry cloth to clean the surface of the radio. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the radio in a cool, dry place away from direct sunlight.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in active use.

Troubleshooting

Specifications

• Model: J-919
• Brand: PRUNUS
• Product Dimensions: 5.71 x 5.35 x 2.76 inches (14.5 x 13.6 x 7 cm)
• Item Weight: 11.7 ounces (331.7 g)
• Batteries: 1 Lithium Polymer battery (built-in, non-removable 1100mAh)
• Connectivity Technology: USB, Bluetooth 5.0
• Tuner Technology: FM
• Radio Bands Supported: FM (87.5 - 108 MHz)
• Speaker Output: 3W
• Supported Media: TF Card (up to 32GB, MP3 format)
• Input: AUX (3.5mm)
• Color: Cherry Wood
• First Available Date: December 18, 2020

Warranty and Support

PRUNUS products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official PRUNUS website. Keep your purchase receipt as proof of purchase for warranty claims.

You can also visit the PRUNUS brand store on Amazon for more information and products: PRUNUS Store