Introduction
Thank you for choosing TREBLAB X-Open True Open Ear Wireless Earbuds. These earbuds are designed to provide a unique audio experience, allowing you to enjoy your music while remaining aware of your surroundings. Featuring a lightweight, secure behind-ear fit, immersive sound, and crystal-clear call quality, they are ideal for active lifestyles.
What's Included
- TREBLAB X-Open Earbuds
- Wireless Charging Case
- USB-C Charging Cable
- Cleaning Kit
- User Manual
- Quick Start Guide
- Sticker

Image: Contents of the TREBLAB X-Open package, showing the earbuds, charging case, USB-C cable, cleaning kit, user manual, quick start guide, and a sticker.
Product Overview
The TREBLAB X-Open earbuds feature an innovative open-ear design that rests comfortably behind your ear, allowing you to hear your surroundings while enjoying high-quality audio. Each earbud weighs just 8.9g, ensuring all-day comfort and a secure fit for various activities.

Image: A close-up view of the TREBLAB X-Open earbud positioned on a person's ear, illustrating its open-ear design and how the ear hook provides a secure and comfortable fit without blocking the ear canal.
Audio Technology
Equipped with 14.2mm dual-composite dynamic drivers (24 Ohm impedance) and Neodymium magnets, these earbuds deliver immersive sound with punchy bass and crisp highs. A sensitivity of 124dB ensures clear and loud audio. Bluetooth 5.4 technology provides a stable connection up to 33 feet.

Image: An exploded view diagram of the TREBLAB X-Open earbud, detailing its internal audio components such as the 14.2mm dual-composite dynamic drivers, Neodymium magnets, and the speaker mesh for sound output.
Call Quality
Dual microphones with AI Voice Enhancement and Environmental Noise Cancellation ensure crystal-clear calls, even in noisy environments.

Image: A person is shown smiling and engaged in a phone call, wearing the TREBLAB X-Open earbuds. Icons for Siri and Google Assistant are visible, indicating voice assistant compatibility and clear call features.
Setup
Charging the Earbuds and Case
Before first use, fully charge your TREBLAB X-Open earbuds and charging case. The case supports both USB-C and 5W wireless charging. A full charge provides up to 10 hours of playtime for the earbuds, with an additional 30 hours from the charging case.

Image: The TREBLAB X-Open earbuds are shown nestled within their charging case, with indicators suggesting the charging status and highlighting the extended battery life provided by the case.
Bluetooth Pairing
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Select "TREBLAB X-Open" from the list of available devices.
- Once connected, you will hear an audio prompt confirming successful pairing.
Operating Instructions
Basic Functions (Touch Control)
The TREBLAB X-Open earbuds feature intuitive touch controls for managing your audio and calls. Specific functions can be found in the detailed user manual included in the package.
Calls and Voice Assistant
Utilize the dual microphones for clear phone calls. The earbuds are compatible with Siri and Google Assistant for hands-free convenience. Refer to the user manual for specific touch commands to answer/end calls or activate your voice assistant.
Gaming Mode
For an optimized gaming experience, the earbuds offer a low-latency gaming mode. This mode reduces audio delay, providing better synchronization between audio and video. Activation details are in the full user manual.
Maintenance
Cleaning
Use the provided cleaning kit to regularly clean your earbuds and charging case. This helps maintain optimal performance and hygiene.
Water Resistance
The TREBLAB X-Open earbuds are IPX5 water-resistant, making them suitable for workouts and outdoor activities. They can withstand sweat and light splashes but are not designed for submersion in water.
Troubleshooting
- No Sound: Ensure earbuds are charged, properly paired, and volume is adjusted on both the earbuds and your device.
- Connectivity Issues: Ensure your device is within the 33-foot Bluetooth range. Try unpairing and re-pairing the earbuds.
- Call Quality Issues: Ensure microphones are clean and there are no obstructions.
- For more detailed troubleshooting, refer to the comprehensive user manual.
Specifications
| Model Name | X-Open |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Ear Placement | Open Ear |
| Audio Driver Size | 14.2 Millimeters |
| Sensitivity | 124 dB |
| Impedance | 24 Ohms |
| Battery Life (Earbuds) | Up to 10 Hours |
| Battery Life (with Case) | Up to 40 Hours |
| Charging Time | 1 Hour |
| Water Resistance Level | IPX5 Water Resistant |
| Item Weight | 1.8 Ounces |
| Compatible Devices | Cellphones, Desktops, Laptops, Tablets, Television |
Warranty and Support
Your TREBLAB X-Open earbuds come with a standard manufacturer's warranty. For any questions, troubleshooting, or warranty claims, please refer to the contact information provided in your product packaging or visit the official TREBLAB website.
Product Videos
Video: "Open-Ear Wireless Earbuds for Active Lifestyles" by Productech. This video demonstrates the earbuds' design and suitability for active use, highlighting their open-ear feature.
Video: "TREBLAB X-Open - True Open Ear Wireless Earbuds" by Productech. This video provides an overview of the TREBLAB X-Open earbuds, showcasing their true open-ear design and wireless capabilities.
Video: "Unique Sound Experience" by Productech. A short preview video highlighting the distinct sound experience offered by the earbuds.





