Introduction
The PRUNUS J-999 Retro Bluetooth Speaker is a compact and versatile audio device designed for portable use. It combines vintage aesthetics with modern functionality, offering multiple playback options including Bluetooth, USB, TF card, AUX input, and FM radio. Its small size and lightweight design make it ideal for various indoor and outdoor settings.
What's in the Box
- PRUNUS J-999 Retro Bluetooth Speaker
- Owner's Manual
- AUX Cable
- USB Charging Cable
Product Overview
The PRUNUS J-999 speaker features a classic retro design with intuitive controls. Below is an overview of its components and dimensions.
Front view of the PRUNUS J-999 Retro Bluetooth Speaker in green, showcasing its vintage design, speaker grille, tuning dial, and control buttons.
The PRUNUS J-999 speaker held in a hand, illustrating its compact dimensions: 3.9 inches (length), 2.2 inches (width), and 2.7 inches (height), with a weight of 0.44 lbs.
Controls and Ports
- Volume Knob/Power Switch: Located on the front, this knob controls volume and turns the speaker on/off.
- Playback Control Buttons: Buttons for previous track, play/pause, and next track.
- DC 5V Port: Micro USB port for charging.
- TF Card Slot: For playing music from a TF (Micro SD) card.
- USB Port: For playing music from a USB drive.
- AUX Input: 3.5mm jack for connecting external audio devices.
Close-up view of the PRUNUS J-999 speaker's side, showing the DC 5V charging port, TF card slot, USB port, and AUX input jack.
Setup
Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB charging cable to the DC 5V port on the speaker and the other end to a USB power adapter (not included) or a computer USB port. The charging time is approximately 7 hours for a full charge, providing up to 7 hours of playback at 50% volume.
Operating Instructions
Power On/Off
To power on the speaker, press and hold the center button beneath the volume dial. To power off, press and hold the same button again.
Bluetooth Pairing
The speaker utilizes Bluetooth 5.0 technology for wireless connectivity.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "PRUNUS J-999" from the list to pair.
- Once paired, the speaker will indicate a successful connection, and you can begin playing audio wirelessly.
An illustration showing a smartphone connected via Bluetooth to the PRUNUS J-999 speaker, demonstrating wireless audio playback.
FM Radio
To use the FM radio function (87-108MHz):
- Connect the provided AUX cable to the AUX input port. This cable acts as the antenna for improved reception.
- Switch the speaker to FM mode (refer to the mode button if available, or cycle through modes).
- Use the control buttons to scan for and select radio stations.
USB/TF Card Playback
Insert a USB drive or TF (Micro SD) card containing MP3 audio files into the respective port. The speaker will automatically detect the storage device and begin playing music.
AUX Input
Connect an external audio device (e.g., MP3 player, laptop) to the speaker's AUX input using the provided 3.5mm AUX cable. The speaker will switch to AUX mode, allowing audio playback from the connected device.
Hands-free Calling
When connected via Bluetooth to a smartphone, the speaker supports hands-free calling. Press the play/pause button to answer or end a call. The built-in microphone ensures clear audio during conversations.
An image depicting a hand holding a smartphone displaying an incoming call, with the PRUNUS J-999 speaker nearby, illustrating its hands-free calling capability.
Volume Control
Rotate the large knob on the front of the speaker to adjust the volume. Turn clockwise to increase volume and counter-clockwise to decrease it.
Hands adjusting the large, central volume knob on the PRUNUS J-999 speaker, highlighting its ease of use for volume control.
Maintenance
To ensure the longevity and optimal performance of your PRUNUS J-999 speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the speaker. Avoid using abrasive cleaners, solvents, or strong chemicals, as they may damage the finish.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Exposure: The speaker is not waterproof. Avoid exposing it to water, rain, or excessive humidity.
- Handle with Care: While portable, avoid dropping or subjecting the speaker to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker fully using the provided USB cable. |
| Cannot pair via Bluetooth. | Speaker is not in pairing mode or too far from device. | Ensure speaker is on and in Bluetooth mode. Move device closer to speaker (within 10 meters). Turn Bluetooth off and on again on your device. |
| No sound or low volume. | Volume is too low or source issue. | Increase volume on both the speaker and the connected device. Check if the audio source is playing correctly. |
| FM radio reception is poor. | No antenna connected or weak signal. | Ensure the AUX cable is connected to act as an antenna. Try repositioning the speaker for better signal. |
| USB/TF card not playing. | Incorrect file format or card/drive issue. | Ensure audio files are in a compatible format (e.g., MP3). Reinsert the USB drive/TF card. Try a different drive/card. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | J-999 |
| Brand | PRUNUS |
| Connectivity Technology | Bluetooth, Auxiliary, USB |
| Wireless Communication | Bluetooth 5.0 |
| Bluetooth Range | 10 Meters |
| Speaker Type | Bass, Portable |
| Speaker Maximum Output Power | 3 Watts |
| Audio Output Mode | Surround |
| Frequency Response | 50 Hz |
| Power Source | Battery Powered |
| Battery Life | Up to 7 Hours (at 50% volume) |
| Charging Time | 7 Hours |
| Product Dimensions (D x W x H) | 3.9" x 2.2" x 2.7" |
| Item Weight | 0.44 Pounds (7 ounces) |
| Material | Plastic, Metal |
| Color | Green |
| Water Resistance Level | Not Water Resistant |
Warranty and Support
For warranty information and customer support, please refer to the contact details provided in the packaging or visit the official PRUNUS website. Keep your purchase receipt for any warranty claims.
