1. Introduction
Thank you for choosing LUDOS Zenith USB-C Wired Earbuds. These earbuds are designed to provide a high-quality audio experience with reliable wired connectivity. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.

Image 1: LUDOS Zenith USB-C Wired Earbuds (White)
2. Product Overview
The LUDOS Zenith earbuds feature a minimalist design combined with robust performance. Key components include:
- Premium Speakers: Engineered for balanced sound and deep bass.
- HD Microphone: Integrated for clear call quality.
- USB-C Connector: Ensures wide compatibility with modern devices.
- Extra Resistant Cord: Durable 4.2ft (1.2m) tangle-free cable.
- In-line Control: Single button for call management and media playback.

Image 2: Key Features of LUDOS Zenith Earbuds

Image 3: Premium Sound Quality with Enhanced Bass
3. Setup
Using your LUDOS Zenith earbuds is straightforward:
- Identify the USB-C Port: Locate the USB-C port on your compatible device (smartphone, tablet, laptop, etc.).
- Connect the Earbuds: Insert the USB-C connector of the earbuds firmly into your device's USB-C port.
- Wear the Earbuds: Place the left earbud (marked 'L') in your left ear and the right earbud (marked 'R') in your right ear for optimal sound experience.

Image 4: Ergonomic Design for Comfort
4. Operating Instructions
The in-line remote provides convenient control over your audio and calls:
- Play/Pause Music: Press the central button once.
- Answer/End Call: Press the central button once during an incoming call to answer, and once during a call to end.
- Next Track: Press the central button twice quickly.
- Previous Track: Press the central button three times quickly.
- Volume Control: Volume is controlled directly from your connected device. The in-line remote does not feature volume buttons.

Image 5: In-line Remote Control Functions
5. Compatibility
LUDOS Zenith USB-C Earbuds are widely compatible with devices featuring a USB Type-C port and lacking a 3.5mm audio jack. This includes, but is not limited to:
- Apple Devices: iPhone 15 series (Pro, Pro Max, Plus), iPhone 16 series (Pro, Pro Max, Plus, Air, 16e), iPhone 17 series (Pro, Pro Max, Air), iPad Pro (2018, 2020, 2021, 2022, 2023, 2024, 2025), iPad Air (4th, 5th, 6th Gen), iPad Mini (6th, 7th Gen), iPad 10th Gen, MacBook Pro (13", 14", 16" with M1/M2 chip), MacBook Air (M1/M2), iMac/Air.
- Samsung Galaxy Devices: S20, S20+, S20 Ultra, S20 FE, S21, S21+, S21 Ultra, S21 FE, S22, S22+, S22 Ultra, S23, S23+, S23 Ultra, S23 FE, S24, S24+, S24 Ultra, S24 FE, S25, S25+, S25 Ultra, S25 FE, S25 Edge, Z Flip (2, 3, 4, 5, 6), Z Fold (2, 3, 4, 5, 6), Note 10, Note 10+, Note 20, Note 20 Ultra, A16, A17, A26, A33, A34, A35, A36, A53, A54, A55, A56 5G, Tab S5e, S6, S7, S8, S8+, S8 Ultra 5G, S9, S9+, S9 Ultra, S10+ Ultra, A9+.
- Google Pixel Devices: Pixel 2, 2 XL, 3, 3 XL, 4, 4a, 5, 6, 6 Pro, 6a, 7, 7a, 8, 8a, 8 Pro, 9, 9 Pro, 9 Pro XL, 10, 10 Pro, 10 Pro XL, Pixel Fold, Pixel Tablet.
- OnePlus Devices: 6T, 7, 7 Pro, 7T, 7T Pro, 8, 8 Pro, 8T, Nord, 9, 9 Pro, 10 Pro, 10T, 11, 12, 12R, 13, 13R.
- Motorola Devices: Edge (2021), Razr 2 5G (2nd Gen 2021).
- Laptops: DELL XPS 13, MICROSOFT Surface Laptop 4.
- Other USB-C Audio Devices: Nintendo Switch, Google Nexus 5X, Nexus 6P, LG V60, V50, V40, LG G8, Nokia 8.3, Nokia 7.2, HTC U12, Sony Xperia XZ2, Huawei P30 Pro, Huawei Mate 20 Pro.

Image 6: Extensive Device Compatibility
6. Maintenance
To ensure the longevity and optimal performance of your LUDOS Zenith earbuds, follow these maintenance guidelines:
- Clean Regularly: Gently wipe the earbuds and cable with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive materials.
- Store Properly: When not in use, store the earbuds in a clean, dry place. Avoid tangling the cable by coiling it neatly. The included tin case can be used for storage.
- Avoid Extreme Conditions: Do not expose the earbuds to extreme temperatures, humidity, or direct sunlight for extended periods.
- Handle with Care: Avoid pulling the cable forcefully or bending the connector at sharp angles, as this can damage the internal wiring.
7. Troubleshooting
If you encounter any issues with your LUDOS Zenith earbuds, try the following solutions:
- No Sound:
- Ensure the USB-C connector is fully inserted into your device.
- Check your device's volume settings.
- Test the earbuds with another compatible device to rule out a device-specific issue.
- Ensure your device's audio output is set to the USB-C port if applicable.
- Microphone Not Working:
- Ensure the earbuds are securely connected.
- Check your device's microphone input settings.
- Clean the microphone port on the in-line remote.
- Sound Distortion:
- Reduce the volume on your device.
- Ensure the audio source is of good quality.
- Check for any physical damage to the cable or earbuds.
If these steps do not resolve the issue, please refer to the Warranty & Support section.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | ZENITH |
| Brand | LUDOS |
| Connectivity Technology | Wired |
| Headphones Jack | USB Type C |
| Noise Control | Sound Isolation |
| Special Feature | Wired Earbuds with Microphone, Sound Isolator, Call Compatible |
| Control Type | Call Control (Single Button) |
| Cable Feature | Tangle Free |
| Cable Length | 4.2 feet (1.2 meters) |
| Material | Thermoplastic Elastomer (TPE) |
| Item Weight | 0.634 ounces |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Impedance | 32 Ohms |
| Included Components | ZENITH Earphones, Cable |
9. Warranty & Support
LUDOS provides a 2-year warranty for the Zenith USB-C Wired Earbuds. For any questions, technical assistance, or warranty claims, please contact LUDOS customer support. Our support team is available 24/7 to assist you.
For further information, you may visit the LUDOS Store on Amazon.