1. Introduction
Thank you for choosing the Yoidesu IPX8 Waterproof MP3 Player. This device is designed for music enthusiasts who enjoy activities such as swimming, running, and other water sports. With its robust waterproof design and 8GB memory, you can enjoy your favorite audio content without interruption. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x Yoidesu Swimming Waterproof MP3 Player
- 1 x Waterproof Earphones
- 2 x Pairs of Earplugs (different sizes)
- 1 x Charging Cable
- 1 x User Manual

Image: Contents of the Yoidesu Waterproof MP3 Player package, including the player, earphones, and charging cable.
3. Product Overview and Features
The Yoidesu Waterproof MP3 Player is engineered for durability and high-quality audio performance in challenging environments. Key features include:
- IPX8 Waterproof Rating: Designed to withstand submersion up to 10 feet underwater, making it suitable for swimming, diving, and other water sports.
- 8GB Internal Memory: Stores over 2000 songs, allowing for a vast music library on the go.
- HiFi Lossless Sound: Delivers clear and high-fidelity audio quality, even underwater.
- Durable Aluminum Shell: Constructed from sturdy aluminum to protect against accidental damage and enhance longevity.
- Waterproof Earphones: Includes specialized earphones with three layers of earplugs to prevent water entry and isolate external noise.
- Adjustable Strap: Allows secure attachment to goggles or swimsuit straps for hands-free use.

Image: The Yoidesu Waterproof MP3 Player, showcasing its compact design and orange adjustable straps.
4. Setup Guide
4.1 Initial Charging
Before first use, fully charge the MP3 player. Connect the provided charging cable to the player's charging port and plug the other end into a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator will illuminate during charging and turn off when fully charged. A full charge typically takes approximately 2-3 hours and provides up to 8 hours of playback.

Image: The MP3 player connected to its charging cable, illustrating the charging process.
4.2 Loading Music
To transfer music files to your MP3 player:
- Ensure the MP3 player is charged.
- Connect the MP3 player to your computer using the provided USB cable.
- Your computer will recognize the MP3 player as a removable disk.
- Open the MP3 player's drive.
- Drag and drop your desired MP3 or WMA audio files into the player's storage.
- Once files are transferred, safely eject the MP3 player from your computer before disconnecting the cable.
The player supports MP3 and WMA audio formats. It is compatible with Windows (WinME, WinXP, Vista), macOS (OS X 8.6+), and Linux (2.4.0) operating systems.
4.3 Attaching Earphones
Carefully insert the waterproof earphones into the earphone jack of the MP3 player. Ensure a snug fit to maintain the waterproof seal. Select the appropriate size of earplugs for your ears to ensure comfort and effective water sealing.

Image: The MP3 player with its waterproof earphones connected, ready for use.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press and hold the Power button (usually marked with a power symbol) for a few seconds until the device activates.
- To Power Off: Press and hold the Power button again for a few seconds until the device shuts down.
5.2 Playback Controls
The MP3 player features intuitive controls for music playback:
- Play/Pause: Press the Play/Pause button (often indicated by a triangle/two vertical bars) to start or pause playback.
- Next Track: Press the "Next" button (usually a double arrow pointing right) to skip to the next song.
- Previous Track: Press the "Previous" button (usually a double arrow pointing left) to go back to the beginning of the current song or to the previous song.
- Volume Up: Press the "Volume Up" button (often marked with a plus sign) to increase the volume.
- Volume Down: Press the "Volume Down" button (often marked with a minus sign) to decrease the volume.

Image: A detailed view of the MP3 player's control panel, showing the power, play/pause, and volume buttons.
5.3 Wearing the MP3 Player
The adjustable straps allow you to securely attach the MP3 player to your swimming goggles, swimsuit strap, or other suitable gear. Ensure the player is positioned comfortably and securely to prevent dislodging during activity.

Image: The MP3 player demonstrated attached to a pair of swimming goggles, ready for underwater use.
6. Care and Maintenance
- Cleaning: After use in chlorinated or saltwater, rinse the MP3 player and earphones with fresh water. Gently wipe with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Waterproof Integrity: Always ensure the earphone jack and charging port covers (if applicable) are securely closed before submerging the device in water. Avoid dropping or subjecting the device to strong impacts, as this may compromise its waterproof seal.
- Earphone Care: Regularly clean the earplugs to maintain hygiene and sound quality. Replace earplugs if they become damaged or lose their seal.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the device fully. |
| No sound from earphones. | Earphones not properly connected; Volume too low; Corrupted audio file. | Ensure earphones are fully plugged in. Increase volume. Try playing a different audio file. |
| Cannot transfer files to the player. | Incorrect USB connection; Driver issue; Unsupported file format. | Ensure the USB cable is securely connected. Try a different USB port or computer. Verify files are MP3 or WMA format. |
| Short battery life. | Battery degradation; Frequent high volume use. | Ensure full charge cycles. Reduce volume if possible. Battery life naturally decreases over time. |
8. Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | Yoidesuq2e3cfh6xg-13 |
| Material | Aluminum |
| Waterproof Level | IPX8 (up to 10 feet underwater) |
| Memory Capacity | 8GB |
| Supported Sound Formats | MP3/WMA |
| Compatible Systems | WinME, WinXP, Vista, OS X 8.6+, Linux 2.4.0 |
| Battery Capacity | 250mAh |
| Playback Time | Up to 8 hours |
| Item Weight | 3.07 ounces |
| Package Dimensions | 8.27 x 3.54 x 1.97 inches |
9. Warranty and Support
Yoidesu products are manufactured to high-quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official Yoidesu website. Please retain your proof of purchase for warranty claims.