NIA MRH-8809S Stereo Headphones User Manual

Introduction

Thank you for purchasing the NIA MRH-8809S Collapsible Micro SD/FM Radio/MP3 Player Stereo Headphones. This manual provides detailed instructions on how to set up, operate, and maintain your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

Important Safety Information

• Do not expose the headphones to extreme temperatures, humidity, or corrosive substances.
• Avoid dropping or subjecting the headphones to strong impacts.
• Do not disassemble or attempt to repair the headphones yourself. This will void the warranty.
• Clean the headphones with a soft, dry cloth. Do not use liquid cleaners.
• Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a safe level.

Package Contents

Please check the package for the following items:

• NIA MRH-8809S Stereo Headphones
• USB Charging Cable
• Audio Cable (3.5mm)
• User Manual (this document)

Product Overview

Figure 1: Front view of the NIA MRH-8809S headphones, showcasing the collapsible design and purple color. The earcups are padded for comfort, and the headband is adjustable.

Figure 2: The NIA MRH-8809S headphones displayed alongside their retail packaging. The packaging highlights key features such as "MICRO SD PLAYER" and "FM stereo radio Headphones".

The NIA MRH-8809S headphones feature a collapsible design for easy portability. They integrate multiple functions including Bluetooth wireless connectivity, FM radio, and an MP3 player via Micro SD card. Controls for these functions are typically located on the earcups.

Setup Guide

1. Charging the Headphones

Before first use, fully charge the headphones. Connect the supplied USB charging cable to the charging port on the headphones and the other end to a USB power adapter (not included) or a computer's USB port. The LED indicator will typically show red during charging and turn off or blue when fully charged.

2. Powering On/Off

• Power On: Press and hold the Power button (usually marked with a power icon) for a few seconds until the LED indicator lights up and you hear a power-on prompt.
• Power Off: Press and hold the Power button again for a few seconds until the LED indicator turns off and you hear a power-off prompt.

3. Bluetooth Pairing

1. Ensure the headphones are powered off.
2. Press and hold the Power button until the LED indicator flashes blue and red alternately, indicating pairing mode.
3. On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
4. Select "NIA MRH-8809S" or similar from the list of devices.
5. Once paired, the LED indicator will typically flash blue slowly, and you will hear a connection confirmation.

Operating Instructions

Music Playback (Bluetooth/Micro SD)

• Play/Pause: Press the Multi-function button (often the Power button or a dedicated Play/Pause button).
• Next Track: Press and hold the Volume Up (+) button or a dedicated Next button.
• Previous Track: Press and hold the Volume Down (-) button or a dedicated Previous button.
• Volume Up: Short press the Volume Up (+) button.
• Volume Down: Short press the Volume Down (-) button.
• Micro SD Mode: Insert a Micro SD card (TF card) with MP3 files into the designated slot. The headphones should automatically switch to MP3 playback mode. If not, press the Mode button (if available) to switch.

FM Radio Operation

• Enter FM Mode: Press the Mode button (if available) until you hear the FM radio prompt.
• Auto Scan: In FM mode, short press the Play/Pause button to automatically scan and save available FM stations.
• Change Station: Use the Next Track/Previous Track buttons to navigate through saved stations.

Hands-Free Calling

• Answer/End Call: Short press the Multi-function button during an incoming call.
• Reject Call: Press and hold the Multi-function button during an incoming call.
• Redial Last Number: Double-press the Multi-function button.

Wired Mode (AUX)

Connect one end of the 3.5mm audio cable to the AUX-in port on the headphones and the other end to your audio device's 3.5mm jack. The headphones will automatically switch to wired mode, and the wireless functions will be disabled.

Maintenance

• Cleaning: Use a soft, dry, lint-free cloth to clean the surface of the headphones. Do not use abrasive cleaners, alcohol, or chemical solvents.
• Storage: When not in use, store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures. The collapsible design allows for compact storage.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the headphones regularly, even if not in frequent use.

Troubleshooting

Specifications

Warranty and Support

For warranty information or technical support, please refer to the contact details provided on the product packaging or the official NIA website. Keep your purchase receipt as proof of purchase for any warranty claims.

For further assistance, please contact NIA customer service.