1. Introduction
The Baseus Bowie H1s Wireless Headphones offer an immersive audio experience with advanced features such as -46dB Active Noise Cancellation, Hi-Res Audio certification, LHDC audio decoding, and an ultra-long battery life of up to 120 hours. Designed for comfort and versatility, these headphones support both wireless Bluetooth 5.4 and wired connections, along with smart app control for personalized sound settings.

Figure 1: Baseus Bowie H1s Wireless Headphones
2. Package Contents
Please check the package for the following items:
- Baseus Bowie H1s Wireless Headphones
- User Manual
- USB-C Charging Cable
- 3.5mm Jack Audio Cable

Figure 2: What's in the Box (Bowie H1s)
3. Specifications
| Feature | Specification |
|---|---|
| Model Name | Baseus Bowie H1s Wireless Headphone (PM111-A) |
| Material | Metal, PC, ABS |
| Weight | 279g / 0.6lbs |
| Bluetooth Version | 5.4 |
| Communication Distance | Up to 10m |
| Battery Capacity | 800mAh / 2.96Wh |
| Music Playback Time (ANC Off) | Up to 120 hours (at 70% volume) |
| Music Playback Time (ANC On) | Up to 60 hours (at 70% volume) |
| Charging Port | USB-C |
| Charge Time | Approx. 1.5 hours |
| Driver Diameter | 40mm |
| Impedance Range | Up to 32 Ω |
| Frequency Response Range | 20 - 20000Hz |
| Active Noise Cancellation | -46dB |
| Audio Codecs | AAC, SBC, LHDC |
| Ultra-Low Latency | 0.06s |
| Communication | Wireless + Wired |
| Microphone | Yes (5-Mic AI Clear Calls) |
| Sound Isolating | Yes |
| Waterproof | Yes |
| App Support | Yes (Baseus App) |
| Certifications | CE, FCC, RoHS, KC |
Note: All data are measured by the Baseus laboratory, actual use may vary slightly depending on specific circumstances.

Figure 3: Product Dimensions and Parameters
4. Setup and Initial Use
4.1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided USB-C charging cable to the charging port on the headphones and to a compatible USB power source. The LED indicator will show charging status.
- A full charge takes approximately 1.5 hours.
- A 10-minute quick charge provides approximately 2 hours of playback.
4.2. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Baseus Bowie H1s" from the list of found devices to connect.
- Once connected, the LED indicator will turn solid blue or off, depending on the model.
The headphones support Bluetooth 5.4 for stable and lossless audio transmission.

Figure 4: Bluetooth 5.4 Technology
4.3. Wired Connection
For a wired connection, use the included 3.5mm jack audio cable. Plug one end into the headphone's audio jack and the other end into your device's 3.5mm audio output. This allows for Hi-Res lossless audio playback.

Figure 5: Wired Audio Connection
4.4. Baseus App Integration
To unlock the full potential of your Bowie H1s headphones, download the official Baseus App. The app allows for firmware updates (OTA), EQ customization, noise cancellation level adjustments, and other advanced features.
- Download the Baseus App from your device's app store.
- Pair your headphones with the app.
- Follow in-app instructions for OTA firmware upgrades to ensure you have the latest features and performance enhancements.
- Activate features like Bass Boost mode directly from the app.

Figure 6: Baseus App Setup Steps
5. Operation
5.1. Button Controls
The Bowie H1s headphones feature intuitive physical buttons for easy control:
- **Volume Button (-)**: Press and hold for 1.5 seconds for Previous Track.
- **Volume Button (+)**: Press and hold for 1.5 seconds for Next Track.
- **Multifunction Button**:
- Single Tap: Spatial Audio / Answer or Hang Up Calls / Play or Pause Music.
- Double Tap: Low-latency mode On/Off.
- Triple Tap: Activate Voice Assistant.
- Press and hold: Decline Call.
- **ANC Button**: Single tap to cycle through ANC On > Transparency > ANC Off modes.

Figure 7: Precise Button Controls
5.2. Active Noise Cancellation (ANC)
The headphones feature -46dB Active Noise Cancellation to reduce ambient noise. Use the dedicated ANC button to switch between ANC On, Transparency Mode, and ANC Off. Transparency Mode allows you to hear your surroundings without removing the headphones.

Figure 8: -46dB Active Noise Cancellation

Figure 9: Comfortable Quiet, Your Way (ANC Modes)
5.3. Spatial Audio (BISA)
Experience immersive soundstages with Baseus Immersive Spatial Acoustics (BISA) technology, providing a live-like audio experience for music and movies. Activate this feature via the multifunction button or the Baseus App.

Figure 10: Baseus Immersive Spatial Acoustics
5.4. EQ Modes and Bass Boost
Personalize your audio with various EQ modes available through the Baseus App. You can fine-tune your sound, enhance bass, and match your listening style. The app also allows you to activate the Bass Boost mode for a more dynamic and rich sound.

Figure 11: Personalize Your Tunes with the App

Figure 12: Super Bass Feature
5.5. Dual Device Connection
The Bowie H1s supports simultaneous connection to two devices, allowing you to seamlessly switch between them for work and entertainment without re-pairing.
5.6. Low Latency Mode
For an optimized gaming experience, activate the ultra-low latency mode (0.06s) via the multifunction button or the Baseus App.
Video 1: Demonstrating Active Noise Cancellation and Low Latency for an immersive experience.
6. Battery and Charging
The Bowie H1s headphones are equipped with an 800mAh battery, providing extended listening times. Use the provided USB-C cable for charging.
- **ANC Off**: Up to 120 hours of music playback.
- **ANC On**: Up to 60 hours of music playback.
- **Charging Time**: Approximately 1.5 hours for a full charge.
- **Quick Charge**: 10 minutes of charging provides approximately 2 hours of playback.

Figure 13: Ultra-Long Listening Time

Figure 14: Playtime with ANC On/Off
7. Care and Maintenance
- **Cleaning**: Use a soft, dry cloth to clean the headphones. Avoid using harsh chemicals or abrasive materials.
- **Storage**: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- **Water Resistance**: The headphones are waterproof, but avoid prolonged exposure to water or submerging them.
- **Battery Care**: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly.

Figure 15: Foldable Design and Adjustable Comfort
8. Troubleshooting
If you encounter any issues with your Baseus Bowie H1s headphones, please refer to the following common solutions:
- **No Power**: Ensure the headphones are fully charged. Connect them to a power source using the USB-C cable.
- **Cannot Pair via Bluetooth**:
- Make sure the headphones are in pairing mode (LED flashing blue and red).
- Ensure Bluetooth is enabled on your device and it's within 10 meters of the headphones.
- Forget the device from your phone's Bluetooth list and try pairing again.
- **No Sound**:
- Check the volume level on both the headphones and your connected device.
- Ensure the headphones are properly connected (either via Bluetooth or 3.5mm cable).
- If using a wired connection, ensure the 3.5mm cable is fully inserted into both devices.
- **ANC Not Working Effectively**:
- Ensure ANC is activated (check the ANC button status).
- Adjust the noise cancellation level via the Baseus App for optimal performance.
- Note that ANC performance can vary depending on ambient noise levels.
- **App Connection Issues**:
- Ensure your phone's Bluetooth is on and the headphones are paired.
- Update the Baseus App to the latest version.
- Restart both the app and your headphones.
9. User Tips
Here are some helpful tips from other users to enhance your experience:
- **Maximize Customization**: Download the Baseus App to access advanced features like customizable EQ settings, spatial audio adjustments, and fine-tuning of noise cancellation levels. Don't forget to activate the Bass Boost mode if you prefer a stronger bass.
- **Keep Firmware Updated**: Regularly check the Baseus App for OTA (Over-The-Air) firmware updates. These updates often bring performance improvements, bug fixes, and new features.
- **Seamless Device Switching**: Utilize the dual connection feature to connect to both your phone and laptop simultaneously. This allows for quick switching between devices without needing to re-pair.
- **Gaming Performance**: For gaming, especially on platforms like PlayStation, ensure you activate the ultra-low latency mode for synchronized audio and visuals.
- **Wired Audio Quality**: When using the 3.5mm auxiliary cable, the sound quality remains robust, with no noticeable weakening of bass compared to wireless mode.
10. Warranty and Support
Baseus products are manufactured to the highest quality standards. This product is covered by a manufacturer's warranty against defects in materials and workmanship. For detailed warranty information, product support, or service inquiries, please refer to the official Baseus website or contact their customer service directly.