1. Introduction
This manual provides comprehensive instructions for the WIWU Marathon SE Air Conduction Wireless Headset. Please read carefully to ensure proper use, optimal performance, and maintenance of your device. Keep this manual for future reference.
2. Product Overview
The WIWU Marathon SE is an air conduction wireless headset designed for comfort and clear audio. It features a lightweight design, hands-free calling, and environmental noise reduction for calls.

Figure 1: WIWU Marathon SE Air Conduction Wireless Headset, black color.
3. Setup
3.1. Charging the Headset
Before first use, fully charge the headset to ensure maximum battery life.
- Connect the charging cable (included) to the headset's charging port.
- Connect the other end of the cable to a standard USB power source (e.g., computer USB port, wall adapter).
- The indicator light on the headset will illuminate (e.g., red) to show it is charging.
- Once fully charged, the indicator light will typically change color (e.g., blue) or turn off.
A full charge provides approximately 6 hours of working time.
3.2. Pairing with a Bluetooth Device
Follow these steps to connect your headset to a Bluetooth-enabled device:
- Ensure the headset is powered off.
- Press and hold the power button on the headset until the indicator light flashes alternately (e.g., red and blue). This indicates the headset is in pairing mode.
- On your smartphone, tablet, or computer, enable Bluetooth and search for available devices.
- Select "WIWU Marathon SE" from the list of found devices.
- Once successfully connected, the indicator light will typically turn solid blue or stop flashing.
The headset is compatible with all Bluetooth-enabled devices.
4. Operating Instructions
4.1. Power On/Off
- Power On: Press and hold the power button until the indicator light illuminates.
- Power Off: Press and hold the power button until the indicator light turns off.
4.2. 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/Down: Use the dedicated volume buttons on the headset.
4.3. Call Management
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button.
The integrated double mic array automatically reduces environmental noise for clearer hands-free calls.
4.4. Wearing the Headset
Place the headset around your head with the ear hooks resting comfortably over your ears. The flexible and adjustable headband ensures a secure and customizable fit for various activities like running, bicycling, and fitness.

Figure 2: Proper wearing of the WIWU Marathon SE headset.
5. Maintenance and Care
- Clean the headset regularly with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the headset to extreme temperatures, direct sunlight, high humidity, or corrosive substances.
- Do not attempt to disassemble, modify, or repair the headset yourself, as this will void the warranty and may cause damage.
- Store the headset in a cool, dry place when not in use.
- Keep the charging port free of dust and debris.
6. Troubleshooting
- Headset does not power on.
- Ensure the headset is fully charged. Connect it to a power source and try again after a few minutes.
- Cannot pair the headset with a device.
- Ensure the headset is in pairing mode (indicator light flashing red and blue).
- Make sure Bluetooth is enabled on your device.
- Move the headset closer to your device and away from potential interference sources.
- Try restarting both the headset and your device.
- If previously paired, try forgetting the device on your phone's Bluetooth settings and re-pairing.
- No sound or poor sound quality.
- Check the volume levels on both the headset and your connected device.
- Ensure the headset is properly connected to your device.
- Try re-pairing the headset.
- Ensure there are no physical obstructions between the headset and your ears.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | WiWU |
| Model Name | Wireless Headset (Marathon SE) |
| Connectivity Technology | Wireless (Bluetooth) |
| Ear Placement | In Ear (Air Conduction) |
| Form Factor | In Ear |
| Noise Control | None (Environmental noise reduction for calls) |
| Working Time | Approximately 6 hours |
| Product Dimensions | 16 x 13.2 x 5 cm |
| Item Weight | 120 g |
| Manufacturer | WIWU |
| Item Model Number | 6936686405706 |
8. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact WiWU customer support directly.
For technical support, product inquiries, or to report issues, please visit the official WiWU website or contact their authorized customer service channels. Please have your product model number (Marathon SE) and purchase details ready when seeking support.





