Introduction
This manual provides detailed instructions for the safe and effective use of your PSIER Bone Conduction Swimming Headphones, Model X34-C. These headphones feature a dual-driver system (bone and air conduction), IPX8 waterproofing, 32GB internal MP3 storage, and Bluetooth 6.0 connectivity, designed for various sports activities including swimming.
What's in the Box
- PSIER Bone Conduction Swimming Headphones (X34-C)
- User Manual
- Magnetic Charging Cable

Image: The product packaging displaying the headphones, user manual, and magnetic charging cable.
Product Overview
The PSIER X34-C headphones are designed for comfort and performance across various activities. They feature a lightweight, open-ear design with a flexible neckband and soft silicone ear hooks.
Dual Driver System: Bone and Air Conduction
These headphones utilize both bone conduction and air conduction technologies to deliver a comprehensive audio experience. Bone conduction provides clear highs and natural mids, while the air conduction driver enhances deep bass.

Image: Illustration of bone conduction technology delivering sound through the cheekbones.

Image: Exploded view of the air conduction driver components.
Design and Comfort
The headphones are lightweight and feature a full-coverage silicone soft pad for a comfortable and secure fit during various activities, including those requiring headwear like swim caps or helmets.

Image: A person wearing the open-ear headphones during a sports activity, highlighting comfort.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Use the provided magnetic charging cable. A full charge takes approximately 2 hours and provides up to 8 hours of playtime.
- Connect the magnetic end of the charging cable to the charging port on the headphones.
- Connect the USB-A end of the cable to a standard USB power adapter (not included) or a computer USB port.
- The indicator light on the headphones will show charging status (refer to LED indicator section for details, if available).

Image: The magnetic charging port on the headphones and an illustration of 8 hours of battery life.
2. Bluetooth Pairing
To connect your headphones to a device via Bluetooth:
- Ensure the headphones are powered on and in Bluetooth mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "PSIER X34-C" (or similar name) from the list of devices.
- Once connected, the headphones will indicate successful pairing (e.g., an audible prompt or LED change).
The headphones support Bluetooth 6.0 for a stable connection and can connect to two or more devices simultaneously, allowing for seamless switching.

Image: Illustration of the headphones maintaining a fast and stable Bluetooth connection with multiple devices.
3. MP3 Mode and Music Transfer
The headphones have a built-in 32GB memory for MP3 playback, allowing phone-free listening, especially useful for swimming.
- Connect the headphones to your computer using the magnetic charging cable.
- Insert the USB-A connector into your computer. The system will display a dedicated storage folder. If not detected, try reconnecting.
- Drag and drop your music files (MP3 format recommended) into the displayed folder.
- Always safely eject the headphones from your computer before disconnecting the cable.

Image: A laptop screen showing music files being dragged to the headphones' storage, demonstrating the MP3 download process.
Operating Instructions
Power On/Off
Press and hold the Power button for approximately 3 seconds to turn the headphones on or off.
Switching Between Bluetooth and MP3 Mode
To switch between Bluetooth mode and MP3 mode, press the Power button twice quickly.
Note: For underwater use, always switch to MP3 Mode as Bluetooth connectivity is not maintained underwater.

Image: Demonstrates the use of headphones in MP3 mode for swimming and Bluetooth mode for cycling.
Music Playback and Call Control
The headphones feature touch controls for managing music and calls. Specific control functions typically include:
- Play/Pause: Single tap on the designated control area.
- Volume Up/Down: Tap or hold specific areas for volume adjustment.
- Next/Previous Track: Double or triple tap on the control area.
- Answer/End Call: Single tap during an incoming call.
- Reject Call: Press and hold during an incoming call.
Refer to the included quick start guide for precise button mapping.
Swimming Use (IPX8 Waterproof)
The headphones are IPX8 rated, allowing submersion in water up to two meters deep for one hour. Always ensure the headphones are in MP3 mode before entering water.

Image: A swimmer wearing the headphones underwater, highlighting the IPX8 waterproof feature.
Boean App Integration
Enhance your audio experience with the exclusive AI-driven Boean app. This app allows you to personalize your sound and create original music based on your preferences.
- Download the Boean app from your device's app store.
- Connect your headphones to your device via Bluetooth.
- Follow the in-app instructions to customize settings or generate music.

Image: The Boean app interface on a smartphone, illustrating its features for creating personalized music.
Maintenance
- Cleaning: Wipe the headphones with a soft, damp cloth after each use, especially after swimming or intense workouts. Do not use abrasive cleaners or solvents.
- Drying: Ensure the headphones are completely dry before charging or connecting to a computer.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging Port: Keep the magnetic charging contacts clean and free of debris to ensure proper charging.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Connect to the charger and wait a few minutes before attempting to power on again. |
| Cannot connect via Bluetooth. |
|
| No sound in MP3 mode. |
|
| Sound quality is poor. |
|
| Headphones not detected by computer for MP3 transfer. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | X34-C |
| Connectivity Technology | Bluetooth 6.0 |
| Water Resistance Level | IPX8 (up to 2 meters for 1 hour) |
| Internal Memory | 32GB (stores up to 8,000 songs) |
| Audio Driver Type | Bone Conduction Driver, Air Conduction Driver |
| Battery Life | Up to 8 hours |
| Charging Time | Approximately 2 hours |
| Control Type | Touch Control |
| Material | Plastic (with silicone coating) |
| Item Weight | 4.2 ounces |
| Compatible Devices | Smartphones, Tablets, Laptops |
Warranty and Support
For warranty information and technical support, please refer to the official PSIER website or contact customer service using the details below.
- Email: support@psier.com
- Phone: +1-206-460-0500
Please retain your proof of purchase for warranty claims.