Noble FoKus Rex5
Noble Audio FoKus Rex5 User Manual
True Wireless Stereo Bluetooth in-Ear Headphones
Introduction
Welcome to the user manual for your Noble Audio FoKus Rex5 True Wireless Stereo Bluetooth in-Ear Headphones. These headphones are designed to provide a premium audio experience with exceptional sound personalization and wireless freedom. This manual will guide you through the setup, operation, and maintenance of your new device.
What's in the Box
Please check the package contents to ensure all items are present:
- Earphones (Noble Audio FoKus Rex5)
- Charging Case
- Charging Cable
- Ear Tips (10 pairs of various sizes)
- Instruction Manual (this document)
- Storage Bag
Product Overview

Figure 1: Front view of the Noble Audio FoKus Rex5 earbuds, showcasing their black and gold marbled design with a reflective surface below.
The FoKus Rex5 earbuds feature a sleek, ergonomic design for comfortable in-ear placement. Each earbud is equipped with touch controls for easy operation and a built-in microphone for clear calls. The accompanying charging case provides portable power and secure storage.

Figure 2: The Noble Audio FoKus Rex5 earbuds alongside their open charging case, illustrating how they fit into the charging slots.
The charging case is compact and designed to protect your earbuds while recharging them. It features LED indicators to show charging status and battery level.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge both the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are correctly seated in their respective slots (L for left, R for right).
- Connect the charging cable to the charging port on the case and plug the other end into a USB power source.
- The LED indicators on the case will show the charging status. A full charge for the case typically takes 2 hours.
- The earbuds will charge automatically when placed in the powered case.
2. Bluetooth Pairing
Pair your FoKus Rex5 headphones with your device (smartphone, tablet, computer) via Bluetooth.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing LED light on the earbuds.
- On your device, go to Bluetooth settings and ensure Bluetooth is enabled.
- Search for available devices. Select "Noble FoKus Rex5" from the list.
- Once connected, the LED indicator on the earbuds will stop flashing. You will hear an audible confirmation.
- For subsequent uses, the earbuds will automatically connect to the last paired device when taken out of the case.
3. Fitting the Earbuds
Proper fit is crucial for sound quality and comfort. Experiment with the included ear tips to find the best seal for your ears.
- Gently insert the earbud into your ear canal.
- Rotate the earbud slightly until it feels secure and comfortable, forming a good seal.
- If the sound quality is poor or there's a lack of bass, try a different size ear tip.
Operating Instructions
Touch Controls
The FoKus Rex5 earbuds feature intuitive touch controls on the outer surface of each earbud.
| Action | Function |
|---|---|
| Single Tap (Left/Right) | Play/Pause Music, Answer/End Call |
| Double Tap (Right) | Next Track |
| Double Tap (Left) | Previous Track |
| Triple Tap (Left/Right) | Activate Voice Assistant |
| Long Press (2 seconds, Left/Right) | Reject Call |
| Long Press (3 seconds, Left/Right) | Toggle Sound Personalization Profile |
Sound Personalization
The FoKus Rex5 features sound personalization to tailor the audio to your unique hearing profile. This feature is typically managed through a dedicated mobile application (if available) or by specific touch gestures as outlined above. Refer to the Noble Audio app for detailed customization options.
Making and Receiving Calls
- Answer/End Call: Single tap either earbud.
- Reject Call: Long press either earbud for 2 seconds.
- Switch between calls: (If supported by your device) Double tap during a call to switch to an incoming call.
Maintenance
To ensure the longevity and optimal performance of your Noble Audio FoKus Rex5 headphones, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials. Gently remove any earwax or debris from the ear tips and speaker mesh using a small, soft brush or cotton swab.
- Storage: Always store the earbuds in their charging case when not in use to protect them from dust, dirt, and physical damage. Store the case in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: Avoid fully discharging the battery frequently. For long-term storage, charge the battery to about 50% to prolong its lifespan.
- Water Resistance: These headphones are not waterproof. Avoid exposure to water, sweat, or high humidity.
Troubleshooting
If you encounter issues with your FoKus Rex5 headphones, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing/connecting |
|
| No sound or low volume |
|
| One earbud not working |
|
| Charging case not charging |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | Fokus Rex5 |
| Connectivity Technology | Bluetooth, Wireless |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 10 Meters |
| Noise Control | Sound Isolation |
| Control Method | Touch |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Earpiece Shape | Ergonomic |
| Material | Aluminum |
| Impedance | 32 Ohm |
| Carrying Case Battery Capacity | 500 Milliamp Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Item Weight | 8.8 ounces |
| Package Dimensions | 7.28 x 3.94 x 1.89 inches |
| Manufacturer | Noble Audio |
| UPC | 199284103658 |
| ASIN | B0FL153D56 |
| Date First Available | August 3, 2025 |
Warranty and Support
Noble Audio products are designed for durability and performance. While specific warranty details are not provided in this manual, most Noble Audio products come with a limited manufacturer's warranty covering defects in materials and workmanship.
For detailed warranty information, product support, or to purchase protection plans, please visit the official Noble Audio website or contact their customer service:
- Official Website: www.nobleaudio.com
- Customer Service: Refer to the website for contact methods (email, phone, support tickets).
Please retain your proof of purchase for warranty claims.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.


