Haylou S35 ANC
Haylou S35 ANC Over-Ear Bluetooth 5.2 Headphones User Manual
Model: S35 ANC
Introduction
Thank you for choosing the Haylou S35 ANC Over-Ear Bluetooth 5.2 Headphones. These headphones are designed to provide a superior audio experience with advanced features such as hybrid active noise cancellation, high-resolution sound, and extended battery life. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Package Contents
- Haylou S35 ANC Over-Ear Headphones
- USB Type-C Charging Cable
- 3.5mm Audio Cable
- User Manual
Product Overview
Familiarize yourself with the main components of your Haylou S35 ANC headphones.

Image: Haylou S35 ANC headphones in use, highlighting the comfortable noise-canceling experience. The image shows a person wearing the headphones, indicating 90% mid- and high-frequency noise cancellation.

Image: A close-up side view of the Haylou S35 ANC ear cup, visually representing the Hybrid ANC (Active Noise Cancellation) feature with sound wave graphics.

Image: An exploded diagram showcasing the internal 40mm dynamic drivers of the Haylou S35 ANC headphones, emphasizing Hi-Res Audio capabilities and LDAC support.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the USB Type-C charging cable to the charging port on the headphones and the other end to a USB power adapter (not included) or a computer's USB port.
- A full charge typically takes approximately 2-3 hours.
- The LED indicator will show charging status (e.g., red for charging, blue/off for fully charged).
2. Powering On/Off
- Power On: Press and hold the Multi-function button (usually the power button) for approximately 3 seconds until the LED indicator flashes and you hear a power-on prompt.
- Power Off: Press and hold the Multi-function button for approximately 5 seconds until the LED indicator turns off and you hear a power-off prompt.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Multi-function button for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for "Haylou S35 ANC" in the list of available devices.
- Select "Haylou S35 ANC" to connect. Once connected, the LED indicator will flash blue slowly or turn off, and you will hear a connection prompt.
Note: The headphones support multi-point connection, allowing simultaneous connection to two devices. After connecting to the first device, put the headphones back into pairing mode and connect to the second device. The headphones will automatically manage connections.
Operating Instructions
Music Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Double-press the Multi-function button.
- Previous Track: Triple-press the Multi-function button.
- Volume Up: Press the Volume + button.
- Volume Down: Press the Volume - button.
Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
Active Noise Cancellation (ANC) Modes
The Haylou S35 ANC headphones offer multiple noise cancellation modes. Use the dedicated ANC button to cycle through them.
- ANC On: Blocks external noise for immersive listening.
- Transparency Mode: Allows ambient sounds to pass through, enabling you to hear your surroundings and engage in conversations without removing the headphones.
- Standard Mode: ANC is off, providing a natural listening experience.
Voice Assistant
- Activate Voice Assistant: Double-press the Multi-function button.
Low Latency Mode (Gaming Mode)
For an optimized gaming experience, activate low latency mode.
- Activate/Deactivate: Refer to the Haylou Sound App for specific controls, or a dedicated button if available.
Wired Connection
You can use the headphones with the included 3.5mm audio cable for a wired connection, which also provides zero-latency audio, ideal for gaming or when battery is low.
- Connect one end of the 3.5mm audio cable to the headphone's audio jack and the other end to your audio source.
- Bluetooth and ANC features may be disabled or limited in wired mode.
Haylou Sound App
Download the official Haylou Sound App from your device's app store to customize settings, manage ANC levels, and access additional features.
Maintenance
- Cleaning: Wipe the headphones with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures. When not in use for extended periods, charge them periodically to maintain battery health.
- Water Exposure: These headphones are not waterproof. Avoid exposure to water, moisture, or rain.
- Avoid Impact: Do not drop or subject the headphones to strong impacts.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source using the USB Type-C cable. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| ANC not working effectively. |
|
| Sound delay during gaming/video. |
|
Specifications
| Feature | Detail |
|---|---|
| Model | Haylou S35 ANC |
| Connectivity | Bluetooth 5.2 |
| Noise Cancellation | Hybrid ANC (-42dB) |
| Driver Size | 40mm Dynamic Hi-Fi Driver |
| Audio Quality | High-Resolution Audio, LDAC support |
| Battery Life (ANC Off) | Up to 60 hours |
| Battery Life (ANC On) | Up to 40 hours |
| Charging Port | USB Type-C |
| Wired Connection | 3.5mm Audio Jack |
| Microphone | HD Microphone for calls |
| App Support | Haylou Sound App for customization |

Image: Visual representation of the Haylou S35 ANC's long-lasting playtime, showing 40 hours with ANC on and 60 hours with ANC off.
Warranty and Support
Warranty Information
Your Haylou S35 ANC headphones come with a 90-day warranty against manufacturing defects, as stated in the product features. For extended warranty options, please refer to your purchase documentation or contact your retailer.
- Standard Warranty: 90 days from the date of purchase.
- Extended Warranty Options: Available for 12 or 24 months against failures and defects (refer to purchase options for details and pricing).
Customer Support
For technical assistance, warranty claims, or general inquiries, please contact our customer support team:
- Email: support@haylou.com
- Website: www.haylou.com
- Phone: +1-800-XXX-XXXX
Please have your product model number (S35 ANC) and proof of purchase ready when contacting support.
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