Introduction
The Soundcore C30i Open-Ear Earbuds offer a unique clip-on design for breathable comfort and enhanced situational awareness. Designed for a secure and stable fit, these earbuds feature powerful 12mm x 17mm racetrack drivers for clear audio. With IPX4 water resistance and long-lasting battery life, they are suitable for various activities.

Image: Soundcore C30i earbuds and their charging case.
What's in the Box
- Soundcore C30i Earbuds
- Charging Case
- 2 Sizes of Ear Grips (M/L)
- USB-C Cable (11.81 in/300 mm)

Image: All items included in the Soundcore C30i package.
Setup
How to Wear
Clip earbuds onto the thinnest point of your ear. Adjust for optimal audio performance while listening.

Image: Visual guide for correctly wearing the earbuds.
Attaching Ear Grips
For extra stability, use the provided Ear Grips. Follow the instructions to attach the ear grips to the back side of the earbuds. Two sizes (M/L) are included for a customizable secure fit.

Image: Steps to attach the optional ear grips for a tighter fit.
Initial Pairing
Open the charging case. The earbuds will automatically enter pairing mode. On your device, search for "Soundcore C30i" in the Bluetooth settings and select to connect.
Operating
Touch Controls
The Soundcore C30i features customizable touch controls on the back of each earbud. Use the Soundcore app to activate, disable, or customize controls to your preference.
- Double Tap: Play/Pause audio, Answer calls.
- Tap 3 Times: Next song.
- Hold for 2s: Voice Assistant, Decline calls.

Image: Overview of touch control gestures and their default functions.
Soundcore App Customization
Personalize your listening experience via the Soundcore app. Customize touch controls, activate surround sound effects, and manage dual connections.

Image: Soundcore app interface showing customization options.
Multipoint Connection
Enjoy a stable connection with Bluetooth 5.3. Multipoint connection allows for easy switching between your laptop and your phone. Activate multipoint connection through the Soundcore app.

Image: Visual representation of multipoint connectivity.
Maintenance
Water Resistance
Soundcore C30i open ear earbuds offer IPX4 water resistance, built with an ultra-fine mesh and a protective nano-coating. This makes them suitable for outdoor activities and light exposure to water.

Image: Earbuds being used in a water-splashed environment.
Troubleshooting
Common Issues
- No Sound/Connection: Ensure earbuds are charged and within range. Re-pair with your device.
- Uncomfortable Fit: Try adjusting the position on your ear or using the alternative ear grip sizes (M/L).
- Low Battery: Place earbuds back in the charging case. A 10-minute charge provides 3 hours of playback.
Video: A customer demonstrating a potential issue with sound quality. For troubleshooting, ensure proper fit and connection.
Specifications
| Feature | Detail |
|---|---|
| Model Name | C30i |
| Connectivity Technology | Wireless (Bluetooth) |
| Ear Placement | Open Ear |
| Water Resistance Level | IPX4 |
| Item Weight | 1.76 ounces |
| Drivers | 12mm x 17mm Racetrack Drivers |
| Playtime | 10H (single charge), 30H (with charging case) |
| Control Method | Touch |
Warranty & Support
For warranty information and additional support, please refer to the official Soundcore website or contact AnkerDirect customer service. User manuals and troubleshooting guides are also available for download: