Important Safety Information
WARNING: Please read and follow all safety instructions carefully to prevent fire risks, damage, or injury.
- Strictly follow the instruction manual for charging and storage.
- For disposal, check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with applicable legal requirements.
- Do not use while driving or operating machinery to avoid hazards.
- Do not immerse the headphones in water.
- Avoid prolonged use at high volume levels to protect your hearing.
Package Contents
Ensure all items are present in the package:
- Baseus BS1 NC Earphones (Left and Right)
- Charging Case
- Charging Cable (Type-C)
- User Manual (This document and a quick guide)

Setup and First Use
1. Powering On/Off
- To Power On: Press and hold the power button for 3 seconds. The indicator light will illuminate.
- To Power Off: Place the earbuds back into the charging case and close the lid, or manually power off via the connected device. Turn off the power after use to extend battery life.
2. Bluetooth Pairing
- Ensure the earphones are powered on and in pairing mode (indicator light may flash).
- Enable Bluetooth on your mobile phone or other device.
- Search for "Baseus Earphones" in the list of available Bluetooth devices.
- Select "Baseus Earphones" to pair.
- After successful pairing, you may play music or answer calls.
3. App Connection
The Baseus BS1 NC earphones can connect to the Baseus app for additional features and customization. If you encounter issues connecting to the app, it may be necessary to change the region setting within the app to China.
4. Dual-Device Connection
The earphones support dual-device connection, allowing seamless switching between two connected Bluetooth devices simultaneously. This feature is compatible with mobile phones, computers, and tablets.

Operating Instructions
1. Basic Controls (Personalized Touch)
The earphones feature personalized touch settings, allowing customization of touch functions via the app. Default interactive operations are:
- Double click: Answer/Hang up calls (during call); Play/Pause (non-call).
- Triple Strike: Reject call (during call); Activate voice assistant (non-call).
- Long press for 2 seconds: Switch noise reduction mode (normal, ANC, transparency).

2. Active Noise Cancellation (ANC)
The BS1 NC earphones feature semi-in-ear adaptive noise reduction, providing an immersive audio experience by precisely canceling out stray noise using a six-microphone collaboration system.


3. Low Latency Mode
Experience 60ms ultra-low latency for audio and video synchronization, ensuring no lag during gaming or watching TV series.

4. BISA Spatial Sound
Equipped with BISA spatial sound technology, the earphones create a 360-degree surround sound field, offering super spatial layering and sound waves that provide an immersive, theater-level audio experience.

Maintenance
1. Cleaning
- Regularly clean the headphone speaker mesh to maintain optimal sound quality and volume. Use a soft, dry cloth or a specialized cleaning tool.
2. Storage
- Store the earphones in their charging case when not in use to protect them from dust and physical damage.
- Avoid storing in high-temperature or humid environments.
3. Battery Care
- To extend battery life, turn off the earphones after use.
- When charging, use only the original charging cable and a compatible power adapter.
Troubleshooting (FAQs)
- Q: Cannot connect to my device.
- A: Restart the earphones and your device, then attempt to re-pair them.
- Q: Low volume from the earphones.
- A: Check your phone's volume settings. Also, clean the headphone speaker mesh as it might be obstructed.
- Q: Short battery life.
- A: Ensure you are using only the original charger when charging the earphones and charging case.
Specifications

| Feature | Specification |
|---|---|
| Product Name | Baseus True Wireless Bluetooth Headphones |
| Model | A00101 (BS1 NC) |
| Color Options | White / Black |
| Material | ABS, Plastic |
| Weight | 40g |
| Bluetooth Version | 6.0 |
| Communication Distance | About 10 meters (<10m) |
| Driver Diameter | 13mm (Super large composite dynamic coil, titanium-plated) |
| Frequency Response Range | 20 - 40000 Hz |
| Listening Time (Earphones) | About 7 hours (at 50% volume) |
| Total Battery Life (with Charging Case) | About 40 hours |
| Charging Port | Type-C |
| Charging Time | About 1.5 hours |
| Earphone Battery Capacity | 40mAh / 0.154Wh |
| Charging Case Battery Capacity | 500mAh / 1.85Wh |
| Waterproof Rating | IP55 (Dust and water resistance) |
| Audio Codecs | AAC, SBC, LDAC |
| Features | Active Noise Cancelling, Dual Connection, With Microphone, Support APP, 60ms Low Latency, AI Call Noise Reduction, Super Bass, BISA Spatial Sound |
| Vocalism Principle | Dynamic |
| Charging Method | Charging case |
User Tips
- Quick Charge: A 10-minute charge can provide up to 2 hours of listening time, ideal for quick power-ups.
- App Customization: Utilize the Baseus app to customize spatial sound effects, EQ modes, and bass boost settings to personalize your listening experience. The app also offers a tracking feature to locate lost headphones.
- Wind Noise Reduction: The AI call anti-wind noise feature with an innovative wind noise reduction cavity design significantly reduces wind noise during calls, ensuring clear communication even in windy conditions.



Warranty and Support
For detailed warranty information and further support, please refer to the official Baseus website or the comprehensive user manual available in PDF format. A PDF version of the user manual is available for download from the seller's product page or the Baseus support center.





