PRUNUS J-136 Portable AM FM Radio

Overview

The PRUNUS J-136 is a portable AM/FM radio designed for indoor and outdoor use. It features dual power options (AC plug and D batteries), a telescopic antenna for enhanced reception, and auxiliary input functionality.

Features and Specifications

Physical Specifications

• Dimensions: 6.5" L x 2.8" W x 4.6" H
• Weight: 1 lb (16 ounces)
• Color: As shown in product images.
• Built-in Handle: For easy portability.

Technical Specifications

• Radio Bands: AM (520-1710 KHz), FM (87.5-108 MHz)
• Tuner Technology: AM, FM
• Antenna: 22-inch retractable telescopic antenna.
• Speaker Output: 5 Watts maximum power.
• Connectivity:
  • 3.5mm AUX input jack for external audio devices (e.g., smartphone, MP3 player).
  • 3.5mm microphone input jack (microphone not included).
• Display: LED indicator for power/charging status.
• Power Source:
  • AC Power: Plug-in operation using included AC cable (110V).
  • Battery Power: Operates on 2 x D cell batteries (not included).
• Included Components: Radio, AC power cable, owner's manual.

Use Guide

Powering the Radio

Using AC Power

1. Connect the included AC power cable to the DC input port on the back or side of the radio.
2. Plug the other end into a standard 110V wall outlet.
3. The LED power indicator should illuminate, signifying the radio is receiving power.

Using Battery Power

1. Open the battery compartment cover on the back of the radio.
2. Insert 2 new D cell batteries, observing the correct polarity (+/-) markings inside the compartment.
3. Close the battery compartment cover securely.

Note: The radio will automatically switch to battery power if the AC cable is disconnected.

Listening to AM/FM Radio

1. Turn the Volume Knob clockwise to power on the radio. You may hear a click.
2. Extend the telescopic antenna fully for best reception.
3. Turn the large Tuning Knob to scroll through the AM or FM frequency band.
4. Fine-tune the position for the clearest sound. Adjust the antenna orientation if necessary to improve signal strength.
5. Adjust the Volume Knob to your desired listening level.
6. To turn off, rotate the Volume Knob fully counterclockwise until it clicks.

Using the AUX Input (as a Wired Speaker)

1. Ensure the radio is powered on.
2. Using a standard 3.5mm audio cable (not included), connect your external audio device (e.g., smartphone, tablet, MP3 player) to the AUX IN jack on the radio.
3. Start playback on your external device. The audio will now play through the radio's speaker.
4. Control the volume using both the radio's Volume Knob and your external device's volume controls.

Using the Microphone Input (as a Voice Amplifier)

1. Ensure the radio is powered on.
2. Connect a compatible wired microphone (not included) with a 3.5mm plug to the MIC IN jack on the radio.
3. Speak into the microphone. Your voice will be amplified through the radio's speaker.
4. Adjust the radio's Volume Knob to control the amplification level.

Care and Maintenance

• Cleaning: Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Batteries:
• Use only 2 x D cell batteries of the same type and brand.
• Remove batteries if the radio will not be used for an extended period to prevent potential leakage and damage.
• Dispose of used batteries according to local regulations.
• Antenna: Extend and retract the telescopic antenna gently. Do not force or bend it.
• Storage: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures.
• Water Resistance: This product is not water-resistant. Keep it away from moisture and liquids.

Troubleshooting

Problem	Possible Cause	Solution
Radio does not power on.	Dead or incorrectly installed batteries; AC cable not connected properly.	Check battery polarity and replace if necessary. Ensure AC cable is firmly connected to both the radio and the wall outlet.
No sound or very low volume.	Volume set too low; antenna not extended; weak signal.	Increase volume. Fully extend the antenna and reposition the radio for better reception.
Poor AM/FM reception.	Antenna not fully extended or optimally positioned; location has weak signal.	Fully extend the antenna and slowly rotate/tilt it for the best signal. Move the radio to a different location, preferably near a window.
No sound from AUX input.	Audio cable not fully connected; external device volume is low or muted.	Ensure the 3.5mm cable is securely plugged into both the radio's AUX jack and the device's headphone jack. Increase volume on the external device.
Distorted sound.	Volume is set too high; batteries are low; radio is too close to other electronic devices.	Reduce the volume. Replace batteries. Move the radio away from potential sources of interference like computers or TVs.

Warranty and Support

This product is covered by a 1-year seller warranty.

For support, contact the seller through your Amazon purchase history or visit the PRUNUS Store on Amazon.

Model Number: J-136

ASIN: B0CDVXRGH8