Introduction
Thank you for choosing the IFECCO Bone Conduction Wireless Headphones. These headphones are designed to provide a comfortable and safe listening experience by transmitting sound through your cheekbones, leaving your ears open to your surroundings. This manual will guide you through the setup, operation, and maintenance of your new headphones.
The IFECCO Bone Conduction Headphones are ideal for various activities such as running, cycling, hiking, and workouts, offering IPX5 water resistance and a lightweight design for extended wear.
Product Overview
Key Features
- Bone Conduction Technology: Sound is transmitted through your skull, not your ear canal, allowing you to hear ambient sounds.
- Open-Ear Design: Eliminates discomfort and pressure associated with in-ear headphones, promoting hygiene during workouts.
- Wireless 5.4 Connectivity: Ensures stable and efficient connection, supporting simultaneous pairing with two devices.
- IPX5 Water Resistance: Protects against sweat and moisture, suitable for intense workouts and light rain (not for swimming).
- Long Battery Life: Up to 10 hours of continuous playback or calls on a single charge.
- Type-C Fast Charging: Quick and convenient charging.
- Lightweight and Comfortable: Weighing only 29g, with a skin-friendly silicone frame for a secure fit.
- Music & Game Modes: Switch between modes for optimized audio experience.

Image: IFECCO Bone Conduction Headphones, showcasing the overall design.

Image: Diagram illustrating how bone conduction technology transmits sound through the skull, bypassing the ear canal.
What's in the Box
The package includes the following items:
- IFECCO Bone Conduction Headphones (x1)
- USB Type-C Charging Cable (x1)
- User Manual (x1)
- Earplugs (x2)
- Adjustment Band (x1)
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided Type-C charging cable to the charging port on the headphones and a USB power source. The LED indicator will show charging status. A full charge takes approximately 2 hours.
2. Powering On/Off
- To Power On: Press and hold the Power button for 4 seconds until the LED indicator flashes.
- To Power Off: Press and hold the Power button for 4 seconds until the LED indicator turns off.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for 4 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "IFECCO X25" from the list of devices.
- Once connected, the LED indicator will turn solid blue.
The headphones support simultaneous connection to two devices. After initial pairing, they will automatically connect to the last paired device when powered on.

Image: Visual representation of Wireless 5.4 connectivity, highlighting low latency and stable transmission.
Operating Instructions
Button Functions
| Action | Function |
|---|---|
| Press and hold Power button (4s) | Power On/Off |
| Single click Power button | Play/Pause music, Answer/End call |
| Double click Power button | Activate Voice Assistant |
| Click '+' button | Volume Up |
| Press and hold '+' button (2s) | Next Track |
| Click '-' button | Volume Down |
| Press and hold '-' button (2s) | Previous Track |
| Four clicks on Power button | Switch between Music Mode and Game Mode |

Image: Diagram showing the various button controls and their functions for easy operation.
Wearing the Headphones
Place the headphones around your head with the transducers resting on your cheekbones, just in front of your ears. Adjust the band for a comfortable and secure fit. The lightweight and flexible design ensures stability during movement.

Image: A person wearing the IFECCO headphones, demonstrating the secure and comfortable fit.
Music and Game Modes
The headphones default to Music Mode after connection, providing high-quality audio. For gaming, click the power button four times to switch to Game Mode, which offers lower latency for a more synchronized audio-visual experience.
Maintenance
Cleaning
Wipe the headphones with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the charging port is dry before charging.
Storage
Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on them to prevent damage.
Water Resistance
The headphones are IPX5 water-resistant, meaning they can withstand sweat and splashes. Do not submerge them in water or use them for swimming.

Image: A person exercising, demonstrating the IPX5 water resistance of the headphones against sweat and splashes.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones won't turn on | Ensure the headphones are charged. Connect to a power source and try again. |
| Cannot pair with device | Make sure the headphones are in pairing mode (LED flashing red and blue). Turn off and on your device's Bluetooth. Move closer to the device. |
| No sound | Check volume levels on both headphones and your device. Ensure headphones are properly connected. Try re-pairing. |
| Poor sound quality | Ensure there are no obstructions between the headphones and your device. Move closer to your device. Check for interference from other wireless devices. |
| Microphone not working | Ensure the headphones are selected as the audio input device on your connected device. |
Specifications
- Model: X25
- Brand: IFECCO
- Connectivity: Wireless 5.4
- Water Resistance: IPX5
- Battery Life: Up to 10 hours (playback/talk time)
- Charging Time: Approximately 2 hours
- Charging Port: Type-C
- Weight: 29g
- Impedance: 8 Ohms
- Frequency Response: 20 KHz
- Sensitivity: 105 dB
- Control Type: Button Control
- Compatible Devices: Smartphones, Tablets, Laptops
- Material: Acrylonitrile Butadiene Styrene (ABS), Silicone
Warranty and Support
This product comes with a 2-year manufacturer's warranty. For warranty claims, technical support, or any inquiries, please contact IFECCO customer service through the retailer where you purchased the product or visit the official IFECCO website.
Please retain your proof of purchase for warranty purposes.
Product Video
Video: An overview of the IFECCO Bone Conduction Headphones, demonstrating key features such as open-ear design, lightweight comfort, bone conduction technology, battery life, and Bluetooth 5.4 connectivity.







