Yunseity MP3 Player User Manual

Introduction

This manual provides instructions for the Yunseity MP3 Player, a portable multimedia device featuring Bluetooth 5.4 connectivity, a built-in HiFi speaker, a 1.8-inch color screen, and multiple functions including music playback, e-book reading, picture viewing, video playback, and voice recording. Please read this manual carefully before using the device to ensure proper operation and to maximize its features.

Package Contents:

• 1 x Yunseity Bluetooth 5.4 MP3 Player
• 1 x User Manual
• 1 x USB Cable (Type-C)

Figure 1: Yunseity MP3 Player Device Overview

Setup

1. Charging the Device

Before initial use, fully charge the MP3 player. Connect the provided USB Type-C cable to the device's charging port and the other end to a USB power adapter (not included) or a computer's USB port. A full charge takes approximately 2 hours and provides up to 48 hours of playback time.

2. Inserting a Memory Card

The device supports microSD card expansion up to 128GB. Locate the memory card slot on the side of the player. Gently insert a compatible microSD card into the slot until it clicks into place. To remove, push the card in slightly until it springs out.

3. Powering On/Off

To turn the device on, press and hold the power button (typically located on the side) for a few seconds until the screen illuminates. To turn it off, press and hold the power button again until the power-off prompt appears, then confirm.

Operating Instructions

1. Basic Navigation

The MP3 player features a 1.8-inch color screen and physical buttons for navigation. Use the directional pad (up, down, left, right arrows) to move between menu options and the central button (Play/Pause) to select. The 'M' button typically accesses the main menu or options within an application, and the back/return button navigates to the previous screen.

Figure 2: Multifunction Icons on the MP3 Player Screen

2. Music Playback

1. From the main menu, select the Music icon.
2. Browse your music library by artist, album, genre, or all songs.
3. Select a song to begin playback.
4. Use the central button to Play/Pause, and the left/right directional buttons to skip to the Previous/Next track.
5. Adjust volume using the dedicated volume buttons (if present) or through the options menu.

The player supports multiple music formats including MP3 and WMA, delivering HiFi sound quality through its built-in speaker or connected headphones.

Figure 3: Music Playback Interface with HiFi Sound Quality

3. Bluetooth Connection

The device features Bluetooth 5.4 for stable wireless audio transmission. Note: The Bluetooth function supports only Bluetooth earphones and speakers, not smartphones or other MP3 players.

1. From the main menu, navigate to Settings and select Bluetooth.
2. Turn Bluetooth On.
3. Select Search for devices.
4. Put your Bluetooth headphones or speaker into pairing mode.
5. Select your device from the list to pair.

4. FM Radio

To use the FM radio function, wired headphones must be connected to the 3.5mm earphone jack, as they serve as the antenna.

1. Connect wired headphones to the 3.5mm port.
2. From the main menu, select the FM icon.
3. Use the options to scan for available stations or manually tune to a frequency.

Figure 4: FM Radio Functionality with Wired Headphones

5. Video Playback

The player supports AVI video format with a resolution of 240x288.

1. From the main menu, select the Video icon.
2. Browse and select an AVI video file to play.

6. E-Book Reader

The device supports TXT format for e-books.

1. From the main menu, select the Ebook icon.
2. Browse and select a TXT file to read.

7. Picture Viewer

1. From the main menu, select the Picture icon.
2. Browse and view your image files.

8. Voice Recorder

1. From the main menu, select the Record icon.
2. Select Start Recording to begin.
3. Press the central button to pause/resume, and the 'M' button to stop and save the recording.

9. Other Functions

The MP3 player also includes additional practical functions such as a calendar, stopwatch, and clock, accessible from the main menu or settings.

Maintenance

1. Cleaning

Use a soft, dry, lint-free cloth to clean the device. Avoid using liquid cleaners, aerosols, or solvents, as they may damage the screen or internal components.

2. Storage

Store the MP3 player in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Keep it away from strong magnetic fields.

3. Battery Care

To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods. Do not expose the device to temperatures above 60°C (140°F).

Troubleshooting

Specifications

Figure 5: Device Dimensions

Warranty and Support

For warranty information, technical support, or customer service inquiries, please refer to the documentation included with your purchase or visit the official Yunseity website. Keep your purchase receipt for warranty claims.