1. Introduction
Thank you for choosing the Atheewon S72 Bluetooth Headset. This manual provides essential information for setting up, operating, and maintaining your headset. Please read it carefully to ensure optimal performance and longevity of your device.
The Atheewon S72 features Bluetooth 5.4 technology for a stable connection, CVC8.0 noise-canceling microphones for clear calls, and a comfortable, ergonomic design suitable for extended wear.
2. Package Contents
- Atheewon S72 Bluetooth Headset
- Charging Case
- USB-C Charging Cable
- Ear Tips (S, M, L)
- User Manual
3. Product Overview
Familiarize yourself with the components and controls of your Atheewon S72 Bluetooth Headset.

Image: Atheewon S72 Headset with labeled controls. This image illustrates the location of the charging port, main microphone, second microphone, and various control buttons including power, play/pause, call answer/hang up, reject, Siri activation, volume up/down, and track forward/reverse.
Controls and Functions:
- Power On/Off: Press and hold the Power button.
- Play/Pause: Single press the Play/Pause button.
- Answer/Hang Up Call: Single press the Answer/Hang Up button.
- Reject Call: Press and hold the Reject button.
- Activate Voice Assistant (Siri/Google Assistant): Press and hold the Voice Assistant button.
- Volume Up/Down: Use the + and - buttons.
- Track Forward/Reverse: Use the Track Forward and Track Reverse buttons.
- Charging Port: USB-C port for direct charging.
- Main Mic: Primary microphone for voice collection.
- Second Mic: Secondary microphone for noise reduction.

Image: Dual ENC Noise Cancelling Mics. This image shows a user wearing the headset and highlights the dual microphone system (Main Mic for vocal voice collection and Mic 2 for noise reduction), with a graphic demonstrating the reduction of background noise.

Image: Upgraded Bluetooth 5.4 HiFi Stereo Sound Quality. This image provides a detailed view of the earbud's internal components, emphasizing the 14.2mm speaker drivers that produce premium sound with strong bass and clear treble, powered by Bluetooth 5.4.
4. Setup
4.1. Charging the Headset
Before first use, fully charge the headset and its charging case.
- Place the headset into the charging case. Ensure the charging contacts align.
- Connect the USB-C charging cable to the charging case and a power source.
- The LED display on the charging case will show the battery percentage.
- A full charge takes approximately 1.5 to 2 hours.
- The headset can also be charged directly via its USB-C port without the case.

Image: 430mAh Charging Case & LED Display. This image displays the headset inside its charging case, which has an LED screen indicating 100% battery. It highlights the battery life: 120 hours with the charging case, 20 hours for a single headset, and a 1.5-hour charging time.
4.2. Pairing with a Device
The Atheewon S72 supports one-step pairing with iOS, Android, and Windows devices.
- Ensure the headset is charged and powered off.
- Press and hold the Power button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, computer), go to Bluetooth settings and turn Bluetooth on.
- Search for available devices and select "S72" from the list.
- Once connected, the indicator light on the headset will stop flashing.

Image: One-Step Pairing. This image shows the headset positioned near a laptop and a smartphone. The smartphone screen displays Bluetooth settings with 'S72' listed under 'PAIRED DEVICES', illustrating the ease of connection across various operating systems like iOS, Android, and Windows.
5. Operating Instructions
5.1. Wearing the Headset
The Atheewon S72 is designed for comfort and can be worn on either the left or right ear. Adjust the ear hook and earbud for a secure and comfortable fit.

Image: Suitable For Both Ears. This image demonstrates the headset's flexibility, showing how it can be adjusted with 360-degree rotation, 180-degree flip, and a 45-degree earbud angle to fit comfortably on either ear. It also displays the included small, medium, and large ear tips for personalized fit.
5.2. Call Management
- Answering a Call: Press the Answer/Hang Up button once.
- Ending a Call: Press the Answer/Hang Up button once during a call.
- Rejecting a Call: Press and hold the Reject button for 2 seconds.
- Redialing Last Number: Double-press the Answer/Hang Up button.
5.3. Music Playback
- Play/Pause: Press the Play/Pause button once.
- Next Track: Press the Track Forward button once.
- Previous Track: Press the Track Reverse button once.
5.4. Voice Assistant
To activate your device's voice assistant (e.g., Siri, Google Assistant), press and hold the Voice Assistant button for 2 seconds.
6. Maintenance
6.1. Cleaning
- Regularly clean the ear tips and charging contacts with a soft, dry cloth.
- Do not use harsh chemicals or abrasive materials.
- Ensure the charging contacts are free from sweat and dirt to prevent charging issues.
6.2. Storage
- Store the headset in its charging case when not in use to protect it and keep it charged.
- Avoid exposing the headset to extreme temperatures, humidity, or direct sunlight.
7. Troubleshooting
If you encounter issues with your Atheewon S72 headset, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Headset does not power on. | Ensure the headset is charged. Connect it to a power source using the USB-C cable. |
| Cannot pair with device. | Make sure the headset is in pairing mode (indicator light flashing). Turn off and on your device's Bluetooth. Forget previous connections and try pairing again. Ensure the headset is within range. |
| No sound or low volume. | Check headset and device volume levels. Ensure the headset is properly connected. Try different ear tips for a better seal. |
| Call quality is poor. | Ensure the headset is fully charged. Move closer to your paired device. Avoid environments with strong electromagnetic interference. |
| Headset not charging in case. | Clean the charging contacts on both the headset and the case. Ensure the headset is correctly seated in the case. Check if the charging case itself is charged. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | S72 |
| Brand | Atheewon |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Form Factor | In-Ear |
| Color | Black |
| Battery Type | 1 Lithium-polymer (included) |
| Charging Time | Approx. 1.5 - 2 hours |
| Music Playback Time | Up to 29 hours (single headset) |
| Talk Time | Up to 20 hours (single headset) |
| Standby Time | Up to 180 hours |
| Charging Case Capacity | 430mAh |
| Microphone Technology | CVC8.0 Noise Cancellation |

Image: Product Dimensions. This image provides a visual representation of the headset and its charging case with measurements, indicating a dimension of 123mm for various aspects of the product.
9. Warranty and Support
Atheewon offers a 2-year warranty for the S72 Bluetooth Headset, covering manufacturing defects and ensuring product quality. If you encounter any issues or have questions regarding your product, please contact our customer service.
Our customer service team is available to provide support and address your concerns promptly. We aim for a 24-hour customer service response.
For support, please refer to the contact information provided on the product packaging or the official Atheewon website.