Introduction
Thank you for choosing the Eono ANC Eonoheadphone 1 Wireless Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones. Please read it carefully to ensure optimal performance and a satisfying audio experience.
Package Contents
Verify that all items are present in your package:
- 1 x Eono ANC Eonoheadphone 1 Wireless Headphones
- 1 x USB-C Charging Cable
- 1 x User Manual
- 1 x Travel Case
Product Overview
Familiarize yourself with the components and controls of your Eono ANC Eonoheadphone 1.

Front view of the Eono ANC Eonoheadphone 1 wireless headphones.

Side view of the headphones, illustrating the location of control buttons.

Diagram highlighting the Hybrid Active Noise Cancelling system with 4 ANC microphones and 1 dedicated call microphone.
Key Components:
- Power Button: Used to power on/off and initiate Bluetooth pairing.
- Volume Buttons (+/-): Adjust audio volume.
- Multi-function Button: Controls playback (play/pause), track skipping, and call management.
- ANC Button: Toggles between ANC, Transparency, and Normal modes.
- USB-C Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection.
- Microphones: Integrated for Active Noise Cancellation and voice calls.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones.
- Connect the supplied USB-C cable to the charging port on the headphones and to a USB power source (e.g., wall adapter, computer USB port).
- The LED indicator will show charging status. It typically takes about 60 minutes for a full charge.
- A 10-minute quick charge provides approximately 5 hours of playback.

Battery life and quick charge capabilities of the headphones.
2. Power On/Off
- To Power On: Press and hold the Power button for 2-3 seconds until the LED indicator lights up.
- To Power Off: Press and hold the Power button for 3-5 seconds until the LED indicator turns off.
3. Bluetooth Pairing
The headphones support one-step pairing and multipoint connection.
- First-time Pairing: When powered on for the first time, the headphones will automatically enter pairing mode. The LED indicator will flash.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Eonoheadphone 1" from the list to connect. A voice prompt will confirm successful pairing.

Illustration of the one-step pairing process with a mobile device.
4. Multipoint Connection
The Eono ANC Eonoheadphone 1 can connect to two Bluetooth devices simultaneously.
- Pair the headphones with the first device.
- Disable Bluetooth on the first device. The headphones will re-enter pairing mode.
- Pair the headphones with the second device.
- Re-enable Bluetooth on the first device. The headphones should automatically connect to both devices.
- Audio will switch between devices based on active playback or incoming calls.

The headphones can maintain simultaneous connections with two devices.
Operating Instructions
1. Active Noise Cancellation (ANC) Modes
Press the ANC button to cycle through the following modes:
- ANC Mode: Reduces low-frequency ambient noise by up to 95%, ideal for travel or noisy environments.
- Transparency Mode: Allows ambient sounds to pass through, enabling you to hear your surroundings without removing the headphones.
- Normal Mode: Active Noise Cancellation is off.

The headphones offer multiple noise cancelling modes for various environments.
2. Music Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold the Volume + button.
- Previous Track: Press and hold the Volume - button.
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.
3. Call Functions
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Activate Voice Assistant: Double-press the Multi-function button.
4. Wired Mode (AUX)
To use the headphones with a wired connection:
- Connect a 3.5mm audio cable (not included) to the headphone's audio jack and to your audio source.
- In wired mode, the headphones function passively, and battery power is not required for basic audio playback. ANC features may still be available if the headphones are powered on.
Comfort and Design
The Eono ANC Eonoheadphone 1 is designed for extended listening comfort and portability.

Ultra-soft protein leather earcups with memory foam padding ensure pressure-free comfort.

Equipped with 40mm silk diaphragms for rich bass and clear treble up to 40kHz.

The headphones feature a folding design for convenient storage and portability in the included travel case.
Specifications
| Brand | Eono |
| Model Name | Eonoheadphone 1 |
| Model Number | S3 |
| Connectivity Technology | Bluetooth 5.2 |
| Noise Cancellation | Hybrid Active Noise Cancellation |
| Driver Size | 40mm |
| Playback Time (ANC On) | Up to 40 hours |
| Playback Time (Normal Mode) | Up to 60 hours |
| Full Charge Time | Approx. 60 minutes |
| Quick Charge | 10 minutes for 5 hours playback |
| Weight | 225 Grams |
| Material | Protein Leather (earcups) |
| Charging Port | USB-C |
| Audio Input | 3.5mm Jack |
| Special Features | Foldable, Lightweight, Noise Cancellation, Built-in Microphone, Fast Charging |
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use liquid cleaners or sprays.
- Storage: When not in use, store the headphones in the provided travel case to protect them from dust and damage.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.
Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
- Headphones will not power on:
- Ensure the headphones are fully charged. Connect them to a power source using the USB-C cable. - Cannot pair with Bluetooth device:
- Ensure the headphones are in pairing mode (LED flashing).
- Turn off and on Bluetooth on your device.
- Move the headphones closer to your device.
- Clear previous Bluetooth connections on your device and try pairing again. - No sound or low volume:
- Check the volume levels on both the headphones and your connected device.
- Ensure the headphones are properly paired and connected.
- If using wired mode, ensure the 3.5mm cable is fully inserted into both the headphones and the audio source. - ANC not working effectively:
- Ensure ANC mode is activated (press the ANC button).
- Adjust the fit of the earcups to ensure a good seal around your ears. - Sound quality is poor in wired mode:
- Ensure the 3.5mm audio cable is fully inserted and not damaged. Try a different cable if available.
Safety Information
- Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Do not use the headphones in situations where you need to hear your surroundings (e.g., driving, cycling, walking in traffic).
- Keep the headphones away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble or modify the headphones. This may void the warranty and cause damage.
- Use only the provided USB-C charging cable or a certified equivalent.
Warranty and Support
Eono products are designed for reliability and performance. For any questions, technical support, or warranty inquiries, please contact Amazon Customer Service through your purchase platform. Please refer to the product packaging or your purchase receipt for specific warranty terms and conditions.
For general assistance, you can visit the Amazon Customer Service page relevant to your region: