Introduction
Thank you for choosing PSIER Bone Conduction Headphones. These open-ear Bluetooth 5.4 headphones are designed to provide a unique audio experience by transmitting sound through your bones, allowing you to enjoy music while remaining fully aware of your surroundings. Ideal for sports, outdoor activities, and daily use, they offer comfort, durability, and high-quality sound.

PSIER Bone Conduction Headphones (Model: X11)
What's in the Box
Upon opening your PSIER Bone Conduction Headphones package, you should find the following items:
- PSIER Bone Conduction Headphones (X11)
- Type-C Charging Cable
- User Manual
- Earplugs (for enhanced audio in noisy environments)
- Adjustment Strap
Video: Unboxing and initial setup of the PSIER Bone Conduction Headphones, showing all included accessories.
Product Overview
Familiarize yourself with the components and controls of your PSIER Bone Conduction Headphones:

Control layout and key features of the headphones.
- Type-C Charge Port: For charging the headphones.
- Microphone: For calls and voice commands.
- Control Buttons: Multi-functional buttons for power, volume, playback, and calls.
- Bone Conduction Transducer: Delivers sound directly to your inner ear through vibrations in your cheekbones.
Setup
Charging Your Headphones
Before first use, fully charge your headphones. Connect the supplied Type-C charging cable to the charging port on the headphones and plug the other end into a standard USB power adapter (not included).
How to Wear
The PSIER Bone Conduction Headphones are designed for comfortable and secure placement around your head, with the transducers resting on your cheekbones, just in front of your ears.

Proper wearing technique for optimal comfort and sound.
Bluetooth Pairing
Follow these steps to pair your headphones with your device:
- Ensure the headphones are turned off.
- Press and hold the 'O+' button for 3 seconds to power on the headphones and enter pairing mode. The indicator light will flash.
- On your mobile device, go to Bluetooth settings and search for available devices.
- Select "X11" from the list to connect. Once connected, the indicator light will stop flashing.

Step-by-step guide for Bluetooth connection.
Operating Instructions
Button Functions
The headphones feature intuitive button controls for easy operation:
- Power On/Off: Press 'O+' button for 3 seconds.
- Play/Pause: Single click 'O+' button.
- Volume Up: Single click '+' button.
- Volume Down: Single click '-' button.
- Next Track: Triple click '+' button.
- Previous Track: Triple click '-' button.
- Answer/End Call: Single click 'O+' button.
- Reject Call: Press 'O+' button for 2 seconds.
- Voice Assistant: Double click 'O+' button.
Key Features
Open-Ear Comfort & Awareness
Experience superior audio clarity through bone conduction technology, which transmits sound directly to your inner ear via vibrations. The open-ear design ensures you remain fully aware of your surroundings, making them ideal for outdoor activities where situational awareness is crucial.

Enjoy music and stay connected to your environment.
Lightweight & Secure Fit
Crafted with a flexible titanium memory frame and soft, skin-friendly silicone pads, these headphones weigh just 26 grams. They offer a secure and stable fit that returns to shape, ensuring lasting comfort without ear fatigue, even during extended wear or intense workouts.

Ultra-lightweight design for all-day comfort.
IPX6 Waterproof Rating
With an IPX6 waterproof rating, these headphones are resistant to sweat and moisture, making them perfect for various activities like cycling, hiking, or gym sessions. Please note: They are not designed for swimming.

Fearless in sweat and moisture.
Bluetooth 5.4 & Dynamic Audio
Equipped with the latest Bluetooth 5.4 technology, the X11 earbuds offer a quick and stable connection with reduced latency, ensuring perfectly synced music and calls. Enjoy dynamic audio quality for an immersive listening experience.

Advanced Bluetooth 5.4 for stable and low-latency connection.
Long Battery Life
Enjoy up to 10 hours of music, calls, and podcasts on a single charge, keeping you powered throughout your day and during extended activities.

Up to 10 hours of continuous use.
Video: Demonstration of the headphones' features and benefits during various sports activities.
Maintenance
To ensure the longevity and optimal performance of your PSIER Bone Conduction Headphones, please follow these maintenance guidelines:
- Cleaning: Wipe the headphones with a soft, damp cloth after each use, especially after workouts, to remove sweat and dirt. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on them.
- Charging: Use only the provided Type-C charging cable and a standard 5V USB power adapter. Avoid overcharging or completely draining the battery regularly.
- Water Exposure: While IPX6 rated, avoid submerging the headphones in water. Dry them thoroughly if they get wet.
Troubleshooting
If you encounter any issues with your headphones, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cannot power on | Low battery | Charge the headphones fully. |
| Cannot pair with device | Headphones not in pairing mode / Bluetooth off on device | Ensure headphones are in pairing mode (flashing light). Turn on Bluetooth on your device and try searching again. |
| No sound / Low volume | Volume too low / Not properly positioned / Device volume low | Increase headphone and device volume. Adjust headphone position on cheekbones. |
| Sound distortion | Too far from device / Interference | Move closer to your device. Avoid strong electromagnetic interference. |
| Headphones not charging | Cable or adapter issue / Port dirty | Try a different Type-C cable or USB adapter. Clean the charging port gently. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | X11 |
| Brand | PSIER |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Ear Placement | Open Ear |
| Form Factor | Open ear |
| Material | Flexible Titanium Memory Frame, Silicone, Acrylonitrile Butadiene Styrene (ABS) |
| Item Weight | 3.84 ounces (approx. 26g) |
| Battery Life | Up to 10 hours (Playtimes) |
| Waterproof Rating | IPX6 |
| Impedance | 8 Ohm |
| Included Components | Cable |
Warranty and Support
For warranty information, technical support, or any inquiries regarding your PSIER Bone Conduction Headphones, please refer to the official PSIER website or contact their customer service directly. Keep your purchase receipt as proof of purchase.




