Introduction
The SUUNTO Aqua Light Open-Ear Swimming Bone Conduction Headphone is designed for active individuals, offering a unique audio experience while maintaining environmental awareness. Featuring bone conduction technology, a 32GB MP3 player for offline music, Bluetooth 5.4 connectivity, and IP68 waterproofing, these headphones are suitable for various sports, including swimming, running, and cycling.
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your SUUNTO Aqua Light headphones.

Image: SUUNTO Aqua Light headphones in Tidal Black, showcasing the open-ear design.

Image: SUUNTO Aqua Light headphones highlighting Bluetooth 5.4 for running and 32GB MP3 storage for swimming, with the headphones partially submerged in water.
What's in the Box
Upon opening the package, ensure all the following components are present:
- SUUNTO Aqua Light Headphones
- USB Charging Cable
- Swimming Earplugs
- Storage Bag
- User Manual (this document)

Image: All items included in the SUUNTO Aqua Light package: headphones, USB cable, swimming earplugs, and documentation.
Setup
Charging the Headphones
Before first use, fully charge your SUUNTO Aqua Light headphones. Use the provided USB charging cable. Connect the magnetic end of the cable to the charging port on the headphones and the USB-A end to a compatible USB power source (e.g., computer USB port, wall adapter).
- A full charge takes approximately 1 hour.
- A 10-minute fast charge provides up to 3 hours of playtime.
- The LED indicator will show charging status (e.g., red for charging, blue for fully charged).

Image: SUUNTO Aqua Light headphones connected to a laptop via the USB charging cable, illustrating the charging process.
Bluetooth Pairing
To connect your headphones to a Bluetooth-enabled device:
- Ensure the headphones are powered off.
- Press and hold the Power/Multi-function button until the LED indicator flashes red and blue, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "SUUNTO Aqua Light" from the list of found devices.
- Once connected, the LED indicator will turn solid blue.
The headphones support dual-device connection, allowing seamless switching between two paired Bluetooth devices.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power/Multi-function button for 2 seconds.
- Power Off: Press and hold the Power/Multi-function button for 3 seconds.
Controls (Touch Method)
| Function | Action |
|---|---|
| Play/Pause | Single tap on the Multi-function button. |
| Volume Up | Tap the Volume Up button. |
| Volume Down | Tap the Volume Down button. |
| Next Track | Double tap on the Multi-function button. |
| Previous Track | Triple tap on the Multi-function button. |
| Answer/End Call | Single tap on the Multi-function button during a call. |
| Reject Call | Press and hold the Multi-function button for 2 seconds during an incoming call. |
| Activate Voice Assistant | Press and hold the Multi-function button for 2 seconds (when not on a call). |
| Switch between Bluetooth/MP3 Mode | Press and hold the Volume Up and Volume Down buttons simultaneously for 2 seconds. |
Using the 32GB MP3 Player
The SUUNTO Aqua Light headphones feature an integrated 32GB MP3 player, ideal for use in environments where Bluetooth connectivity may be limited or unavailable, such as underwater. The player supports MP3, FLAC, WAV, AAC, M4A, APE, and WMA formats.
- To transfer music, connect the headphones to a computer using the USB cable. The headphones will appear as a removable storage device. Drag and drop your audio files into the device's storage.
- Switch to MP3 mode using the control table above.
- The headphones can store up to 8000 songs (assuming 4MB per song).
Sound Modes and Underwater EQ
The headphones offer different sound modes optimized for various activities, including an "Underwater EQ" mode for superior audio quality while swimming.

Image: A user interacting with the SUUNTO Aqua Light mobile application, which allows switching to an optimized Underwater EQ for swimming.
For optimal underwater performance, ensure the headphones are in MP3 mode and the Underwater EQ is activated, typically through the SUUNTO app or specific button combination (refer to app instructions for details).

Image: A swimmer wearing SUUNTO Aqua Light headphones, illustrating their IP68 waterproof capability for submersion up to 2 meters for 2 hours.
Open-Ear Safety and Comfort
The open-ear bone conduction design allows you to hear your surroundings while enjoying audio, enhancing safety during outdoor activities like cycling or running.

Image: A person wearing SUUNTO Aqua Light headphones while cycling, highlighting the open-ear design that maintains awareness of surroundings.
Dual Microphone & Noise Cancellation
Equipped with dual microphones and Environmental Noise Cancellation (ENC) technology, the headphones ensure clear voice quality during phone calls, even in noisy environments.

Image: A person wearing SUUNTO Aqua Light headphones by a swimming pool, demonstrating the effectiveness of the dual microphone and environmental noise cancellation for clear communication.
Maintenance
Cleaning
Regular cleaning helps maintain the performance and longevity of your headphones:
- Wipe the headphones with a soft, damp cloth after each use, especially after exposure to sweat, chlorine, or saltwater.
- Do not use abrasive cleaners or solvents.
- Ensure the charging port is dry before connecting the charging cable.
Storage
When not in use, store your headphones in the provided storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Connect to the charger and check the LED indicator. |
| Cannot pair with Bluetooth device. |
|
| No sound in MP3 mode. |
|
| Sound quality is poor underwater. | Ensure you are in MP3 mode and the Underwater EQ setting is activated (if applicable via app). Use the provided swimming earplugs for optimal sound. |
| Headphones are unresponsive. | Perform a soft reset by connecting the headphones to the charger for a few seconds, then disconnecting and attempting to power on. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | SUUNTO AQUA LIGHT |
| Model Number | SS051124000 |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Internal Storage | 32GB MP3 Player |
| Water Resistance | IP68 (Submersible up to 2 meters for 2 hours) |
| Playtime | Up to 10 hours (Bluetooth mode), Up to 6 hours (MP3 mode underwater) |
| Charging Time | Approx. 1 hour (full charge), 10 minutes for 3 hours playtime |
| Weight | 1.06 ounces (approx. 28g) |
| Dimensions | 4.92 x 4.02 x 1.77 inches |
| Microphone | Dual-Mic with Environmental Noise Cancellation (ENC) |
| Control Method | Touch |
| Battery Type | Lithium Polymer (included) |
Warranty and Support
For detailed warranty information and customer support, please refer to the official SUUNTO website or the included warranty card. You can also access the official user guide PDF for additional information:
Download Official User Guide (PDF)
For further assistance, contact SUUNTO customer service through their official channels.





