Introduction
Thank you for choosing the Sudio N3 True Wireless Bluetooth Earbuds. This manual provides essential information for setting up, operating, and maintaining your earbuds to ensure optimal performance and longevity. Please read this manual thoroughly before use.
Safety Information
- Do not expose the earbuds or charging case to extreme temperatures, humidity, or liquids.
- Avoid dropping, disassembling, or modifying the device.
- Keep out of reach of children and pets.
- Use only the provided charging cable or a certified equivalent.
- Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a safe level.
Package Contents
The Sudio N3 package includes:
- Sudio N3 Earbuds (Left and Right)
- Wireless Charging Case
- USB-C Charging Cable
- Owner's Manual (this document)

The retail packaging for the Sudio N3 earbuds, showing the earbuds and case on the front.
Product Overview
The Sudio N3 earbuds are designed for a comfortable fit and high-definition sound. They feature touch controls for easy management of audio and calls.

A close-up view of the Sudio N3 left and right earbuds alongside their charging case, highlighting the Sudio branding on the stems.
Earbud Components:
- Touch Control Area: Located on the outer surface of each earbud for various functions.
- Microphone: Integrated for clear call quality.
- Charging Contacts: At the bottom of the earbud stem for charging within the case.
Charging Case Components:
- Charging Port: USB-C port for external charging.
- LED Indicator: Displays charging status and battery level.
- Earbud Slots: Securely holds and charges the earbuds.
Setup
1. Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure the charging contacts align.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The LED indicator on the case will show the charging status. A full charge provides up to 30 hours of total playtime with the case.
2. Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing LED on the earbuds (if applicable, refer to specific LED behavior in the full manual).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "Sudio N3" in the list of available Bluetooth devices and select it to connect.
- Once connected, a confirmation sound or message may be heard.
For a visual guide on using the Sudio N3 earbuds, please refer to the video below:
This short video illustrates the process of taking the Sudio N3 earbuds out of their charging case and inserting them into the ear, highlighting their design and ease of use.
Operating Instructions
Power On/Off
- Power On: The earbuds automatically power on when removed from the charging case.
- Power Off: Place the earbuds back into the charging case to automatically power them off and begin charging.
Touch Controls
The Sudio N3 earbuds feature intuitive touch controls. Specific functions may vary; refer to the full Sudio N3 manual or Sudio app for detailed customization.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Up: Triple tap on the right earbud.
- Volume Down: Triple tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call or active call.
- Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
- Activate Voice Assistant: Press and hold either earbud for 2 seconds (when not on a call).
Active Noise Cancellation (ANC)
The Sudio N3 earbuds are equipped with Active Noise Cancellation. For specific instructions on how to activate or deactivate ANC, please consult the official Sudio N3 user manual or the Sudio application, as control methods may vary.

A person wearing a Sudio N3 earbud, demonstrating its in-ear fit and discreet design.
Maintenance
- Cleaning: Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Sweat & Splash Resistance: The Sudio N3 earbuds are sweat and splash resistant. However, they are not waterproof. Avoid submerging them in water. Dry them thoroughly before placing them back in the charging case if they become wet.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on your device's Bluetooth. Forget "Sudio N3" from your device's Bluetooth list and re-pair. |
| No sound from earbuds | Check device volume and earbud volume. Ensure earbuds are properly connected to your device. Try playing different audio. |
| Charging case not charging | Verify the USB-C cable is securely connected to both the case and the power source. Try a different cable or power adapter. |
| One earbud not working | Place both earbuds back in the case, close it, then open it again. Ensure both earbuds are charged. Re-pair the earbuds with your device. |
If issues persist, please contact Sudio customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Sudio N3 |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Noise Control | Active Noise Cancellation |
| Battery Life (Earbuds) | Up to 5.5 hours |
| Total Playtime (with Case) | Up to 30 hours |
| Charging Time | Approx. 2-3 hours (case) |
| Charging Interface | USB-C |
| Microphones | 4 (for clear calls) |
| Water Resistance Level | Sweat & Splash Resistant |
| Material | Plastic (20% recycled) |
| Item Weight | 89.3 Grams (total) |
| Compatible Devices | Smartphones, Laptops, Tablets, Smart Speakers |
Warranty and Support
The Sudio N3 True Wireless Bluetooth Earbuds come with a manufacturer's warranty. For detailed warranty terms and conditions, please refer to the official Sudio website or the warranty card included with your product.
For technical support, troubleshooting assistance, or any inquiries regarding your Sudio N3 earbuds, please visit the official Sudio support page or contact their customer service directly. Contact information can typically be found on the Sudio website: www.sudio.com/support





