1. Overview
The H2O Audio TRI 2 Multisport Waterproof Bone Conduction Open Ear Headphones are designed for active individuals, offering a versatile audio experience for various activities including running, cycling, and swimming. These headphones feature a dual-mode system with Bluetooth 5.3 for land-based activities and an integrated 8GB MP3 player for underwater use. The open-ear bone conduction technology ensures situational awareness while providing clear audio. The device is fully waterproof with an IPX8 rating, allowing submersion up to 12 feet.
Image: H2O Audio TRI 2 headphones showcasing their open-ear design and suitability for various sports like swimming, cycling, and running.
2. What's in the Box
Upon unboxing your H2O Audio TRI 2 headphones, you will find the following components:
- H2O Audio TRI 2 Headphones
- Protective Hard Shell Case
- USB Charging/Data Cable
- Optional Earplugs for Swimming
- User Manual (this document)
Image: The H2O Audio TRI 2 headphones, protective case, and charging cable as they appear when unboxed.
Video: An unboxing demonstration of the H2O Audio TRI 2 headphones, showing all included accessories and how they are packaged.
3. Key Features
- Dual-Mode Performance: Seamlessly switch between Bluetooth 5.3 for streaming on land and MP3 mode for underwater playback.
- Waterproof Design: IPX8 waterproof rating allows submersion up to 12 feet (3.6 meters).
- Built-in MP3 Player: 8GB internal memory stores up to 2000 songs or 130 hours of music, supporting M4A, MP3, WMA, FLAC, and APE formats.
- Extended Battery Life: Provides an average of 8.5 hours of mixed-use playtime (9 hours Bluetooth, 6 hours MP3).
- Open-Ear Bone Conduction: Delivers audio through bone vibrations, keeping your ears open for situational awareness.
- Smart Controls: Intuitive button placement for easy volume adjustment, track skipping, and call management.
- Comfortable Fit: Soft silicone finish ensures maximum comfort and a secure fit during any activity.
- Protective Case: Included hard shell case protects the headphones and accessories.
Image: A visual representation of the dual-mode functionality, highlighting Bluetooth for land activities and MP3 for water activities.
Image: An illustration detailing the bone conduction technology within the headphones, showing how sound is transmitted.
4. Setup
4.1 Initial Charging
Before first use, fully charge your TRI 2 headphones. Connect the magnetic USB charging cable to the charging port on the headphones and plug the USB-A end into a compatible power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.
4.2 Bluetooth Pairing (for Land Use)
- Ensure the headphones are powered off.
- Press and hold the Power/Mode button until the LED indicator flashes blue and red, indicating pairing mode.
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings and search for 'H2O TRI 2'.
- Select 'H2O TRI 2' to connect. The LED will turn solid blue when successfully paired.
4.3 Loading Music (for MP3 Mode / Water Use)
To use the MP3 player for swimming, you need to transfer audio files to the headphones' internal 8GB memory.
- Connect the headphones to your computer using the provided USB charging/data cable.
- The headphones will appear as a removable drive on your computer.
- Drag and drop your desired audio files (M4A, MP3, WMA, FLAC, APE) into the headphone's storage folder.
- Safely eject the device from your computer once files are transferred.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power/Mode button for 3 seconds.
- Power Off: Press and hold the Power/Mode button for 5 seconds.
5.2 Switching Modes (Bluetooth / MP3)
Press the Power/Mode button briefly to toggle between Bluetooth mode and MP3 mode. A voice prompt will indicate the current mode.
5.3 Music Playback & Volume Control
- Play/Pause: Press the Multi-function button (usually the center button).
- Volume Up: Press the Volume + button.
- Volume Down: Press the Volume - button.
- Next Track: Press and hold the Volume + button.
- Previous Track: Press and hold the Volume - button.
5.4 Call Management (Bluetooth Mode Only)
- Answer/End Call: Press the Multi-function button.
- Reject Call: Press and hold the Multi-function button.
5.5 Using Earplugs for Swimming
For optimal sound quality and to reduce ambient water noise while swimming, it is recommended to use the provided earplugs. Insert them into your ears before entering the water.
Video: An introductory video demonstrating the H2O Audio TRI 2 headphones in various multisport environments, including swimming, running, and cycling.
6. Maintenance
6.1 Cleaning
After use, especially after swimming or intense workouts, rinse the headphones with fresh water to remove chlorine, salt, or sweat. Wipe them dry with a soft cloth. Do not use harsh chemicals or abrasive materials for cleaning.
6.2 Charging
Charge the headphones using only the provided magnetic USB cable. Ensure the charging contacts are clean and dry before connecting. A full charge takes approximately 2 hours.
6.3 Storage
Store the headphones in their protective hard shell case when not in use to prevent damage from impacts or scratches. Store in a cool, dry place away from direct sunlight and extreme temperatures.
Image: The H2O Audio TRI 2 headphones neatly stored inside their protective carrying case.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from one or both earbuds. | Low battery, incorrect mode, connection issue, earbud obstruction. | Charge headphones. Ensure correct mode (Bluetooth/MP3). Re-pair Bluetooth. Check for debris in earbud area. |
| Volume is too low. | Device volume low, earplugs not used (swimming), water in ears. | Increase headphone and connected device volume. Use earplugs for swimming. Clear water from ears. |
| Cannot connect via Bluetooth. | Headphones not in pairing mode, device too far, interference. | Ensure headphones are in pairing mode (flashing blue/red). Move closer to device. Restart both devices. |
| Headphones keep turning off. | Low battery, auto-off feature (if paused for too long). | Charge headphones fully. Resume playback or adjust auto-off settings if available. |
| Cannot transfer MP3 files. | Incorrect cable, connection issue, incompatible file format. | Use original USB cable. Ensure secure connection. Check file formats (M4A, MP3, WMA, FLAC, APE). |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | H2O Audio |
| Model Name | TRI 2 Multi-Sport |
| Model Number | H2O-TRI-2-BLUE |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Ear Placement | Open Ear (Bone Conduction) |
| Water Resistance Level | Waterproof (IPX8, up to 12 feet) |
| Internal Memory | 8GB (stores approx. 2000 songs / 130 hours) |
| Supported Audio Formats | M4A, MP3, WMA, FLAC, APE |
| Battery Average Life | 8.5 Hours (mixed-use) |
| Battery Charge Time | 2 Hours |
| Item Weight | 32 Grams |
| Additional Features | Microphone Included, Sweatproof |
| Control Method | Touch/Buttons |
| UPC | 850000259454 |
Image: The H2O Audio TRI 2 headphones accompanied by a summary of their technical specifications.
9. Warranty and Support
9.1 Warranty Information
H2O Audio provides a one (1) year warranty from the date of purchase by the original end user, covering defects in materials and workmanship under normal use. If a defect is discovered within this period, H2O Audio will, at its discretion, repair the product, provide a replacement, or issue a refund.
H2O Audio also offers a "Go Beyond Promise" for up to 1 year, with an additional year of protection (up to 2 years total) upon product registration. For full details and to register your product, please visit the official H2O Audio website.
9.2 Customer Support
For any questions, concerns, or support needs, please refer to the contact information provided in your Quickstart Guide or visit the H2O Audio website. You can typically find support via:
- Live Chat
- Email: support@h2oaudio.com
- Phone: 858.771.4410
