1. Introduction
The PSIER Bone Conduction Headphones X23 utilize advanced bone conduction technology to deliver audio directly through your cheekbones, allowing you to hear sound while keeping your ears open to your surroundings. This design enhances situational awareness, making them suitable for outdoor activities.
These headphones are designed for comfort and durability, featuring a lightweight construction and an IPX6 waterproof rating, making them resistant to sweat and light rain.

Image: Bone Conduction Technology. Sound is transmitted through the bones, keeping ears open.

Image: Ultra Lightweight Design. The headphones weigh approximately 26 grams for extended comfort.

Image: Open Ear Comfort. The design allows you to listen to audio while remaining aware of your environment.
2. Setup
2.1 What's in the Box
- PSIER Bone Conduction Headphones X23
- USB-C Charging Cable
- User Manual
2.2 Charging the Headphones
Before first use, fully charge the headphones. Connect the provided USB-C charging cable to the charging port on the headphones and to a USB power source. The LED indicator will show charging status.

Image: Long Battery Life. Enjoy up to 10 hours of audio playback on a single charge.
2.3 Wearing the Headphones
Position the headphones so that the transducers rest on your cheekbones, just in front of your ears. The band should wrap around the back of your head. Adjust for a comfortable and secure fit.

Image: Correct Wearing Position. Ensure transducers rest on cheekbones for optimal sound.
2.4 Bluetooth Pairing
To pair your headphones with a device:
- Press and hold the Power/Multi-function button for 3 seconds to power on the headphones. The LED indicator will flash, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "X23" from the list of found devices to connect.
- Once connected, the LED indicator will stop flashing and remain solid blue.

Image: Pairing Instructions. Power on and select "X23" from your device's Bluetooth settings.
3. Operating the Headphones
The headphones feature intuitive button controls for easy operation.
3.1 Button Functions

Image: Headphone Controls. Overview of button functions for power, volume, and playback.
- Power On/Off: Press and hold the Power button for 3 seconds.
- Play/Pause: Single click the Multi-function button.
- Volume Up: Single click the '+' button.
- Volume Down: Single click the '-' button.
- Next Track: Triple click the '+' button.
- Previous Track: Triple click the '-' button.
- Answer/End Call: Single click the Multi-function button during an incoming call.
- Reject Call: Press and hold the Multi-function button for 2 seconds during an incoming call.
- Activate Voice Assistant: Double click the Multi-function button.
4. Maintenance
4.1 Cleaning
To maintain optimal performance and hygiene, regularly clean your headphones. Use a soft, dry cloth to wipe the surfaces. Avoid using abrasive cleaners or submerging the headphones in water.
4.2 Water Resistance (IPX6)
The PSIER X23 headphones are rated IPX6 waterproof, meaning they are resistant to strong jets of water. This makes them suitable for use during workouts, in light rain, or when sweating. Note: These headphones are not designed for swimming or submersion in water.

Image: IPX6 Waterproof. The headphones are resistant to sweat and splashes, suitable for active lifestyles.
4.3 Storage
When not in use, store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on them.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on | Low battery | Charge the headphones fully. |
| No sound | Not paired, volume too low, or device issue | Ensure headphones are paired and connected. Increase headphone and device volume. Restart device. |
| Cannot pair with device | Headphones not in pairing mode, device Bluetooth off, or interference | Ensure headphones are in pairing mode (flashing LED). Turn device Bluetooth off and on. Move closer to device. |
| Poor sound quality | Weak Bluetooth signal, improper fit, or audio source quality | Move closer to your device. Adjust headphone position on cheekbones. Try a different audio source. |
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | X23 |
| Bluetooth Version | 5.4 |
| Ear Placement | Open Ear |
| Audio Driver Type | Bone Conduction Driver |
| Battery Life | Up to 10 hours |
| Water Resistance | IPX6 |
| Weight | Approximately 26 grams |
| Material | Silicone, Titanium |
| Connectivity | Wireless (Bluetooth) |
| Charging Port | USB-C |
7. Warranty & Support
7.1 Warranty Information
PSIER products are covered by a limited warranty. Please refer to the warranty card included with your purchase or contact customer support for specific details regarding warranty coverage and terms.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact PSIER customer support. You can typically find contact information on the product packaging, the official PSIER website, or through the retailer where you purchased the product.
You may also visit the PSIER Store on Amazon for more information.