Introduction
Thank you for choosing the BIGASUO B022 Mini MP3 Player. This device is designed for portable audio and video entertainment, featuring Bluetooth 5.4 connectivity, voice recording, FM radio, and video playback capabilities. Its compact and lightweight design makes it an ideal companion for music on the go.

The BIGASUO B022 Mini MP3 Player is ultra-slim and weighs only 30 grams, ensuring portability.
Setup
1. Charging the Device
Before first use, fully charge the MP3 player. Connect the device to a power source using the provided USB cable. A full charge typically takes approximately 2 hours and provides up to 30 hours of music playback with wired earphones.

The MP3 player supports fast charging, achieving up to 30 hours of music playback after a 2-hour charge.
2. Power On/Off
- To power on: Long press the Play/Pause button.
- To power off: Long press the Play/Pause button.
3. Connecting Earphones
Insert your wired earphones into the 3.5mm audio jack located on the device. For wireless audio, refer to the Bluetooth Connectivity section.
4. Transferring Files
Connect the MP3 player to your computer using the USB cable. The device will appear as a removable disk. Drag and drop your music, video, picture, or e-book files into the appropriate folders on the device. The player supports an SD card for expanded storage.
Operating Instructions
Button Guide

Detailed guide to the functions of each button on the MP3 player.
- M (Menu) Button: Short press to enter the menu. Long press to return to the main interface.
- Previous Button (◀◀): Short press to select the previous music file. Long press to rewind the music.
- Play/Pause Button (►►): Short press to confirm, play, or pause. Long press to turn the player on or off.
- Next Button (►►): Short press to select the next music file. Long press to fast forward the music.
- VOL (Volume) Button: Short press to return to the previous step. Long press to enter the volume adjustment menu. Use the Previous (◀◀) or Next (►►) buttons to adjust the volume.
Main Functions Overview
The BIGASUO B022 offers 9 main functions and supports 28 languages.

The multi-function interface displays options for Music, Video, Radio, Picture, Record, E-Book, Folder, Tools, and Settings.
1. Music Playback
Navigate to the 'Music' icon and select it. You can browse your music by artist, album, genre, or all songs. The player supports various audio formats including MP3, WMA, APE, FLAC, WAV, DRM, and ACELP, delivering HiFi sound quality.

Enjoy high-fidelity sound with support for multiple audio formats.
2. Bluetooth Connectivity
The MP3 player features Bluetooth 5.4 for stable and enhanced wireless audio. To connect to Bluetooth headphones or speakers:
- Go to the 'Settings' menu and select 'Bluetooth'.
- Turn Bluetooth 'On'.
- The player will scan for available devices. Select your desired device from the list to pair.

Connect wirelessly to Bluetooth 5.4 devices for free movement.
3. Voice Recording
Navigate to the 'Record' icon. The player offers clear voice recording with HD quality, suitable for lectures, meetings, or personal notes. It also supports line-in recording. Use the on-screen prompts to start, pause, save, and play back recordings.
4. FM Radio
Select the 'Radio' icon to access the built-in FM tuner. You can auto-scan for stations or manually tune to your favorite frequencies. The player can record FM radio broadcasts, offering approximately 7.5 hours of recording time on a full charge.

Tune into your favorite FM radio stations with the built-in tuner.
5. Video Playback
Select the 'Video' icon to play compatible video files. Ensure video files are in a format supported by the device for optimal playback.
6. Other Functions
Explore other features such as 'Picture' for viewing images, 'E-Book' for reading text files, 'Folder' for file management, and 'Tools' for utilities like a calendar or stopwatch. The 'Set' menu allows customization of device settings.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
- Storage: Store the MP3 player in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Water Resistance: This device is not waterproof. Avoid exposure to water or high humidity.
Troubleshooting
- Device will not turn on: Ensure the battery is charged. Connect to a power source and try again.
- Cannot connect to Bluetooth: Ensure Bluetooth is enabled on both the MP3 player and the target device. Make sure devices are within range and not paired with other devices.
- Poor sound quality: Check earphone connection or Bluetooth connection. Ensure audio files are not corrupted. Adjust volume settings.
- Device freezes or is unresponsive: Long press the power button to force a restart. If the issue persists, connect to a computer and check for firmware updates.
- Files not appearing: Ensure files are transferred to the correct folders and are in supported formats.
Specifications
| Feature | Detail |
|---|---|
| Brand | BIGASUO |
| Model | B022 |
| Connectivity Technology | Bluetooth 5.4, Wi-Fi (for certain functions) |
| Internal Storage | 128GB |
| Colour | BLACK |
| Item Weight | 200 Grams |
| Product Dimensions (D x W x H) | 10D x 5W x 10H Centimeters |
| Battery Life (Music Playback) | Up to 30 hours (wired earphones) |
| Battery Life (FM Radio Recording) | Approximately 7.5 hours |
| Voice Recording | Clear voice recording, HD quality, line-in recording |
| Speaker | Built-in loudspeaker |
| Sound Technology | HiFi sound, intelligent digital noise reduction chip |
Warranty
This BIGASUO B022 Mini MP3 Player comes with a 1 MONTH warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.
Support
For technical assistance or customer support, please contact BIGASUO directly:
- Contact Number: 9891407331
Please have your model number (B022) and purchase details ready when contacting support.