1. Introduction
Thank you for choosing the Baseus Bass 15 Clip Open-Ear TWS Earbuds. These earbuds are designed to provide a comfortable, open-ear listening experience with powerful bass and clear audio, ideal for sports, office, and daily use. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Baseus Bass 15 Clip Open-Ear TWS Earbuds and charging case.
2. Package Contents
Please check the package for the following items:
- Baseus Bass 15 Clip Open-Ear TWS Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Manual

Package contents including earbuds, charging case, and cable.
3. Product Overview
The Baseus Bass 15 Clip earbuds feature an open-ear design for comfort and situational awareness. They are equipped with a Bluetooth 5.4 chip for stable connectivity and 10mm dynamic drivers for enhanced bass.

Earbuds and charging case highlighting battery life.

Lightweight design of the earbuds.
4. Setup and Charging
4.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The indicator light on the charging case will show the charging status. A full charge typically takes 1.5-2 hours.
- The earbuds provide approximately 7-8 hours of playtime on a single charge, and up to 30 hours with the charging case.

Charging the earbuds and case.
4.2 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Baseus Bass 15 Clip" from the list.
- Once connected, the earbuds are ready for use.

Bluetooth 5.4 chip for stable connection.
4.3 Wearing the Earbuds
The earbuds feature an open-ear clip-on design. Gently clip them onto your ears, ensuring a secure and comfortable fit. The elastic memory silicone adapts to your ear shape.

Proper wearing of the open-ear earbuds.
5. Operating Instructions
5.1 Touch Controls
The earbuds feature intuitive touch controls:
- Play/Pause: Double-tap the L or R earbud.
- Previous Song: Long press the L earbud for 1.5 seconds.
- Next Song: Long press the R earbud for 1.5 seconds.
- Answer/Hangup Call: Double-tap the L or R earbud.
- Decline Call: Long-press the L or R earbud for 1.5 seconds.
- Activate Voice Assistant: Triple-tap the L or R earbud.

Detailed touch control functions.
5.2 Audio Features
- Deep Bass: Enjoy rich bass powered by 10mm dynamic drivers.
- Directional Acoustics Technology: Sound is transmitted directly to the eardrum, reducing sound leakage while maintaining awareness of your surroundings.
- 2-mic ENC: Environmental Noise Cancellation ensures clearer voice calls.
- Enhanced Audio & Video Synchronization: Provides a seamless and lag-free experience for media consumption.

10mm dynamic driver for deep bass.

Directional Acoustics Technology for clear sound and awareness.

2-mic ENC for clear voice details.
6. Maintenance and Care
- Keep the earbuds and charging case clean and dry. Use a soft, dry cloth to wipe them.
- Avoid exposing the device to extreme temperatures, humidity, or corrosive substances.
- Do not disassemble or attempt to repair the earbuds or charging case yourself. This may void the warranty.
- Store the earbuds in their charging case when not in use to protect them and ensure they remain charged.
- Charge the device regularly, even if not in frequent use, to maintain battery health.
7. Troubleshooting
If you encounter any issues, please refer to the following common solutions:
- No Sound/Poor Sound Quality:
- Ensure earbuds are fully charged.
- Check the volume level on both your device and the earbuds.
- Ensure earbuds are properly paired and within Bluetooth range (approx. 10m).
- Try re-pairing the earbuds with your device.
- Earbuds Not Connecting/Pairing:
- Make sure Bluetooth is enabled on your device.
- Place earbuds back in the case, close it, then open it again to re-enter pairing mode.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Ensure earbuds are charged.
- Charging Issues:
- Check if the charging cable is securely connected to both the case and the power source.
- Try a different USB-C cable or power adapter.
- Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
8. Specifications
| Feature | Detail |
|---|---|
| Product Name | Baseus Open-Ear TWS Earbuds |
| Model No. | Bass 15 Clip |
| Color Options | Stellar White, Cluster Black |
| Material | ABS, Plastic |
| Weight (Earbuds) | 4.6g (per earbud) |
| Bluetooth Version | 5.4 |
| Communication Distance | About 10 m |
| Music Playing Time | Approx. 7-8 hours |
| Music Playing Time (with Charging Case) | Approx. 28-30 hours |
| Charging Time | Approx. 1.5-2 hours |
| Earphone Rated Input | DC5V = 80mA |
| Charging Case Rated Input | DC5V = 330mA |
| Charging Port | USB-C |
| Earbud Battery Capacity | 40mAh/0.148Wh |
| Charging Case Battery Capacity | 400mAh/1.48Wh |
| Frequency Response Range | 20 - 20000Hz |
| Number Of Drivers | 2 |
| With Microphone | Yes |
| Waterproof | No |
| Sound Isolating | No |
| NFC Technology | No |
| Active Noise-Cancellation | No |
| Certification | CE, FCC |
Note: The above data are measured by the Baseus laboratory; actual use may vary slightly depending on specific circumstances.

Product dimensions.
9. User Tips
- For optimal sound quality, ensure the earbuds are securely clipped to your ears.
- The open-ear design allows you to stay aware of your surroundings, which is beneficial for outdoor activities like running.
- Take advantage of the quick charge feature: 10 minutes of charging provides approximately 2 hours of battery life.
- Experiment with the touch controls to find the most comfortable and efficient way to manage your audio and calls.
10. Warranty and Support
Baseus products come with a standard warranty. For detailed warranty information, technical support, or service inquiries, please refer to the official Baseus website or contact your local distributor. Keep your purchase receipt for warranty claims.
11. Product Video
Official product overview video for Baseus Bass 15 Clip Open-Ear TWS Earbuds.





