1. Introduction
Thank you for choosing the Boytond S30i Ultra Open Ear Earbuds. This manual provides essential information for setting up, operating, and maintaining your new earbuds. Please read it thoroughly before use to ensure optimal performance and longevity of your device.
2. Product Overview
The Boytond S30i earbuds feature an open-ear, clip-on design for comfort and situational awareness. They are designed for active lifestyles, offering a secure fit and robust performance.
- Ergonomic Clip-On Design: Ensures a stable and non-slip fit, suitable for various activities including running and gym workouts.
- IPX7 Waterproof Rating: Provides protection against sweat, rain, and splashes, making them suitable for use in diverse weather conditions.
- Bluetooth 5.3 Connectivity: Offers fast pairing, a stable connection, and low latency for both audio playback and calls.
- Extended Playtime: Delivers up to 48 hours of total playtime with the included charging case.
- High-Fidelity Audio: Equipped with dynamic drivers for powerful deep bass and clear treble.

Image: Internal components of the Boytond S30i earbud, illustrating the sound technology.

Image: The lightweight design of the earbud, weighing approximately 5 grams.
3. What's in the Box
Upon unboxing, please ensure all items are present:
- Boytond True Wireless Earbuds (x2)
- Boytond Charging Case (x1)
- Fast Charging USB-C Cable (x1)
- Quick Start User Guide (x1)

Image: Boytond S30i earbuds in their charging case.
4. Setup
4.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are correctly seated; the indicator lights on the earbuds will confirm charging.
- Connect the USB-C charging cable to the charging port on the case and plug the other end into a USB power adapter (not included).
- The digital display on the charging case will show the battery percentage. A full charge is indicated when the display shows 100%.
A 5-minute charge can provide approximately 1 hour of playback time.

Image: Charging case with digital battery display.
4.2 Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
4.3 Bluetooth Pairing
To connect your earbuds to a device:
- Ensure the earbuds are charged and powered on (open the charging case).
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices and select "Boytond S30i" from the list.
- Once connected, you will hear an audio prompt, and the earbuds will be ready for use.
The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.

Image: Seamless connectivity with various devices.
5. Operating Instructions
5.1 Wearing the Earbuds
The S30i earbuds feature an ergonomic clip-on design for a secure and comfortable fit without entering the ear canal.
- Identify the Left (L) and Right (R) earbuds.
- Gently clip each earbud onto the corresponding ear, ensuring the speaker portion is positioned over your ear canal.
- Adjust the earbud for a snug and comfortable fit. The flexible design adapts to various ear shapes.

Image: Proper way to wear the Boytond S30i earbuds.

Image: The clip-on design offers comfort compared to other earbud types.
5.2 Touch Controls
The Boytond S30i earbuds feature touch-sensitive controls on each earbud for managing audio playback and calls.
| Action | Gesture |
|---|---|
| Answer Call | Tap either earbud x1 |
| Hang Up Call | Tap either earbud x1 |
| Play/Pause Music | Tap either earbud x1 |
| Next Song | Tap right earbud x2 |
| Previous Song | Tap left earbud x3 |

Image: Touch control area on the earbud.
6. Specifications
Technical details of the Boytond S30i Ultra Open Ear Earbuds:
| Feature | Detail |
|---|---|
| Brand | Boytond |
| Model Number | S30i |
| Ear Placement | Open Ear |
| Form Factor | Open Ear |
| Control Method | Touch |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Water Resistance Level | IPX7 Waterproof |
| Battery Average Life (Earbuds) | 10 Hours |
| Total Playtime (with Case) | Up to 48 Hours |
| Battery Charge Time | 5 minutes for 1 hour playback |
| Audio Driver Type | Bone Conduction Driver |
| Compatible Devices | Smartphones, Laptops, Desktops, Tablets, Smart Speakers, Televisions, Gaming Consoles, Cellphones |
7. Maintenance
Proper maintenance ensures the longevity and performance of your earbuds.
- Cleaning: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage. Store in a cool, dry place.
- Water Exposure: While IPX7 waterproof, avoid prolonged submersion in water. Ensure earbuds are dry before placing them back in the charging case to prevent damage to charging contacts.

Image: Earbuds are IPX7 waterproof, suitable for various weather conditions.
8. Troubleshooting
If you encounter issues with your earbuds, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged and in pairing mode. Turn off and on Bluetooth on your device. Forget the device in Bluetooth settings and re-pair. |
| No sound from one earbud | Place both earbuds back in the case, close the lid, then open again. Check device audio balance settings. |
| Earbuds not charging | Ensure charging cable is securely connected. Check if the charging case has power. Clean charging contacts on earbuds and case. |
| Poor sound quality | Ensure earbuds are worn correctly. Move closer to your paired device to avoid interference. Check audio source quality. |
9. Warranty and Support
Boytond products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Boytond website. Keep your proof of purchase for warranty claims.