1. Introduction
This manual provides essential instructions for the safe and effective use of your JVC Sport True Wireless Earbuds Headphones (Model HA-EC25TA). Please read this manual thoroughly before use and retain it for future reference.

Image: JVC True Wireless Fitness Series Earbuds in blue, black, and white.
Video: An overview of the JVC Sport True Wireless HA-EC25T earbuds, highlighting features like single ear use, sound modes, touch controls, soft ear hooks, 30-hour battery life, and IPX5 water resistance.
2. What's in the Box
- JVC Sport True Wireless Earbuds (L/R)
- Wireless Charging Case
- USB Charging Cable
- Earpieces (S/M/L sizes, regular type)
- Earpieces (S/M/L sizes, open type)

Image: A close-up of the two types of earpieces included: open-type for hearing ambient sound and regular type for a more sealed fit.
3. Product Features
- Secure Fit: Hook with soft material and lightweight design for a comfortable and stable fit, ideal for sports and active use.
- Long Battery Life: Up to 30 hours of playback with the built-in earbud battery and included charging case.
- 3 Sound Modes: Select between Normal, Bass, or Clear sound modes to suit your audio preference.
- Easy Operation: Intuitive touch sensor controls on the earbuds and voice assistant compatibility.
- Water Resistance (IPX5): Designed to withstand splashing water, making them suitable for outdoor use and workouts.
- Open Sound Earpieces: Included open-type earpieces allow you to hear surrounding sounds for increased awareness.

Image: A person wearing the JVC Sport True Wireless Earbuds while climbing, highlighting the secure fit provided by the ear hooks.

Image: A woman exercising, demonstrating the water-resistant design of the JVC Sport True Wireless Earbuds.
4. Setup
4.1. Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated to initiate charging.
- Connect the supplied USB charging cable to the charging case and a USB power source.
- The indicator lights on the case and earbuds will show charging status.

Image: JVC Sport True Wireless Earbuds placed inside their charging case, indicating they are ready for charging.
4.2. Pairing with a Bluetooth Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "JVC HA-EC25T" from the list of found devices.
- Once connected, a voice prompt will confirm successful pairing.
4.3. Fitting the Earbuds
Choose the earpieces (regular or open-type) and sizes (S/M/L) that provide the most comfortable and secure fit for your ears. The ear hooks should rest comfortably over your ears to ensure stability during activity.
5. Operating Instructions
5.1. Power On/Off
- Power On: Open the charging case, or press and hold the touch sensor on both earbuds for approximately 3 seconds.
- Power Off: Place the earbuds back into the charging case and close the lid, or press and hold the touch sensor on both earbuds for approximately 5 seconds.
5.2. Music Playback (Touch Controls)
- Play/Pause: Tap the touch sensor on either earbud once.
- Next Track: Double-tap the touch sensor on the right earbud.
- Previous Track: Double-tap the touch sensor on the left earbud.
5.3. Call Management (Touch Controls)
- Answer/End Call: Tap the touch sensor on either earbud once.
- Reject Call: Press and hold the touch sensor on either earbud for approximately 2 seconds.
5.4. Sound Modes
The earbuds offer three sound modes: Normal, Bass, and Clear. To switch between modes, press and hold the touch sensor on the right earbud for approximately 3 seconds until you hear a voice prompt indicating the mode change.
5.5. Voice Assistant
To activate your device's voice assistant (e.g., Siri, Google Assistant), triple-tap the touch sensor on either earbud.
5.6. Single Ear Use
Either earbud can be used independently. Simply remove one earbud from the case, and it will automatically connect to your paired device. The other earbud can remain in the case or be powered off.
6. Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Earpieces: Remove and clean the earpieces with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earbuds in their charging case to protect them and ensure they remain charged. Avoid extreme temperatures.
7. Troubleshooting
- No Power: Ensure the earbuds and charging case are fully charged.
- Cannot Pair: Make sure Bluetooth is enabled on your device and the earbuds are in pairing mode. Try unpairing and re-pairing the earbuds.
- No Sound: Check the volume level on both your device and the earbuds. Ensure the earbuds are correctly seated in your ears.
- Intermittent Connection: Ensure there are no obstructions between the earbuds and your device. Keep the device within the Bluetooth range (10 meters).
- Earbuds not charging: Ensure the charging contacts on both the earbuds and the case are clean and free of debris.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | JVC |
| Model Number | HAEC25TA |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Impedance | 16 Ohms |
| Bluetooth Version | 5.1 |
| Bluetooth Range | 10 Meters |
| Battery Life (Total) | Up to 30 Hours (with charging case) |
| Water Resistance Level | IPX5 (Water Resistant) |
| Control Type | Voice Control, Touch Sensor |
| Frequency Response | 20 - 20,000 Hz |
| Audio Driver Type | Dynamic Driver |
| Item Weight | 5.12 Ounces |
9. Warranty and Support
Your JVC Sport True Wireless Earbuds Headphones HA-EC25TA come with a 1-year parts and 1-year labor warranty. For warranty claims or technical support, please refer to the contact information provided in the packaging or visit the official JVC website.
For additional information and support, you may visit the JVC Store on Amazon.







