Introduction
Welcome to the user manual for your CPTEA X3 Bone Conduction Headphones. These open-ear headphones are engineered to provide a comfortable listening experience while maintaining situational awareness, making them ideal for sports and outdoor activities. Featuring advanced Bluetooth V6.0 technology, a lightweight design, and IPX5 sweat resistance, the X3 model delivers clear audio and reliable performance.

Image: CPTEA X3 Bone Conduction Headphones, showcasing the ergonomic and lightweight design.
Setup
1. Charging the Headphones
Before first use, fully charge your CPTEA X3 headphones. Use the provided Type-C charging cable. Connect the cable to the charging port on the headphones and the other end to a USB power source. A full charge typically takes approximately 2 hours.
2. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the power button for 3 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "X3" from the list of devices. Once connected, the LED indicator will show a solid blue light.

Image: Visual guide for Bluetooth pairing of the CPTEA X3 headphones.
Operating Instructions
Wearing the Headphones
Place the headphones with the transducers resting 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. The open-ear design ensures your ear canal remains open, allowing you to hear your surroundings.

Image: Proper wearing technique for CPTEA X3 headphones.
Controls
The CPTEA X3 headphones feature intuitive button controls for easy management of audio and calls.

Image: Control layout and functions for the CPTEA X3 headphones.
- Power On/Off: Press and hold the power button for 3 seconds.
- Play/Pause: Single click the power button.
- Volume Up: Single click the '+' button.
- Volume Down: Single click the '-' button.
- Next Track: Press and hold the '+' button for 1 second.
- Previous Track: Press and hold the '-' button for 1 second.
- Answer/End Call: Single click the power button.
- Reject Call: Press and hold the power button for 2 seconds.
- Activate Voice Assistant: Double click the power button.
Maintenance
To ensure the longevity and optimal performance of your CPTEA X3 headphones, follow these maintenance guidelines:
- Cleaning: Wipe the headphones with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: The headphones are IPX5 sweat and splash resistant. While they can withstand sweat and light rain, they are not designed for submersion in water. Ensure the charging port cover is securely closed when not charging.
- Battery Care: Avoid fully discharging the battery frequently. Charge regularly to maintain battery health.
Troubleshooting
If you encounter any issues with your CPTEA X3 headphones, refer to the following common problems and solutions:
- Headphones will not power on: Ensure the headphones are fully charged. Connect them to the charger and wait a few minutes before attempting to power on again.
- Cannot pair with device:
- Ensure the headphones are in pairing mode (LED flashing blue and red).
- Turn off and on your device's Bluetooth.
- Move the headphones closer to your device.
- Forget the device from your Bluetooth list and attempt to re-pair.
- No sound or low volume:
- Adjust the volume on both the headphones and your connected device.
- Ensure the headphones are properly positioned on your cheekbones.
- Check if the headphones are connected to the correct device.
- Intermittent connection: Move closer to your connected device to reduce interference. Ensure there are no large obstacles between the headphones and your device.
Specifications
| Feature | Detail |
|---|---|
| Model Name | X3 |
| Brand | CPTEA |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 6.0 |
| Bluetooth Range | 33 Feet (10 meters) |
| Audio Driver Type | Bone Conduction Driver (16mm) |
| Sensitivity | 90 dB |
| Battery Life | 10+ Hours (at 60% volume) |
| Charging Time | Approx. 2 Hours |
| Charging Port | Type-C |
| Water Resistance Level | IPX5 (Sweat and Splash Resistant) |
| Item Weight | 27 Grams (0.952 ounces) |
| Ear Placement | Open Ear |
| Control Type | Button Control |
| Included Components | Headphones, Cable, User Manual |
Product Video
Video: An official product video showcasing the CPTEA Bone Conduction Headphones, highlighting their design and features.
Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official CPTEA website. Keep your purchase receipt for any warranty claims.