Introduction
Welcome to the JVC Sport True Wireless Earbuds Headphones user manual. These earbuds are designed for comfort, durability, and high-quality sound, making them ideal for sports, exercise, and daily use. Featuring a secure fit with ear hooks, IPX5 water resistance, and up to 30 hours of battery life with the charging case, they provide a reliable and enjoyable audio experience.
What's in the Box
- JVC Sport True Wireless Earbuds (Left and Right)
- Wireless Charging Case
- USB Charging Cable (Type-C)
- Multiple sizes of earpieces (S/M/L) including open-type for ambient sound and regular type for sound isolation.

Image: The JVC Sport True Wireless Earbuds, showing their secure ear hook design, alongside the compact charging case and a USB-C charging cable. Various earpiece sizes are also visible, including both open-type and regular-type options.
Features
- Secure Fit: Hook with soft material and lightweight design for comfortable and stable fit, preventing accidental falls during activity.
- Long Battery Life: Up to 30 hours of playback with the built-in battery and included charging case.
- 3 Sound Modes: Select between Normal, Bass, or Clear sound modes to customize your listening experience.
- Easy Operation: Intuitive touch sensor controls on the earbuds for managing playback, calls, and voice assistant activation.
- Water Resistance (IPX5): Designed to withstand splashing water and sweat, making them suitable for outdoor and fitness use.
- Open Sound Option: Included open-type earpieces allow you to hear surrounding sounds for increased awareness.
- Bluetooth 5.1: Ensures a stable and dependable wireless connection.

Image: A visual representation of the JVC HAEC25T earbuds in black, blue, and white, emphasizing their "TRUE WIRELESS Fitness Series" branding and the flexible hook design for a durable and secure fit.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a compatible USB power source. The indicator lights on the case will show charging status.

Image: The JVC Sport True Wireless Earbuds neatly placed within their charging case, illustrating the simple operation of placing them in the case for charging.
2. Pairing with a Bluetooth Device
- Remove both earbuds from the charging case. They will automatically enter pairing mode (indicator lights will flash).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "JVC HAEC25T" or similar in the list of available Bluetooth devices.
- Select the earbuds to connect. Once connected, the indicator lights on the earbuds will stop flashing.
Note: For some mobile phones, you may not be able to use some or all functions depending on the specifications of the mobile phone itself.
Operating Instructions
Touch Sensor Controls
The JVC Sport True Wireless Earbuds feature touch-sensitive controls on the outer surface of each earbud. These controls allow for various functions without needing to access your connected device.
| Action | Function |
|---|---|
| Single Tap (Left/Right Earbud) | Play/Pause music, Answer/End call |
| Double Tap (Right Earbud) | Next Track |
| Double Tap (Left Earbud) | Previous Track |
| Triple Tap (Left/Right Earbud) | Activate Voice Assistant |
| Long Press (Left/Right Earbud) | Cycle through Sound Modes (Normal, Bass, Clear) |
Wearing the Earbuds
Select the earpiece size that provides the most comfortable and secure fit. The ear hook design ensures the earbuds stay in place during vigorous activities. Ensure the earbud is properly seated in your ear canal and the hook rests comfortably over your ear.

Image: A person wearing the JVC Sport True Wireless Earbuds while exercising, demonstrating the secure fit provided by the ear hooks.
Maintenance
Cleaning
Regularly clean the earbuds and charging case with a soft, dry cloth. For the earpieces, remove them and clean with mild soap and water, ensuring they are completely dry before reattaching. Do not use harsh chemicals or abrasive materials.
Water Resistance (IPX5)
The earbuds have an IPX5 rating, meaning they are protected against low-pressure water jets from any direction. This makes them suitable for use during workouts or in light rain. However, they are not fully waterproof and should not be submerged in water or exposed to high-pressure water streams.

Image: A woman stretching outdoors while wearing JVC earbuds, illustrating their resistance to sweat and splashes, making them suitable for active use.
Troubleshooting
Common Issues and Solutions
- No Sound/Low Volume in One Earbud:
- Ensure both earbuds are fully charged.
- Disconnect Bluetooth from all devices and re-pair.
- Place both earbuds in the charging case, close the lid, wait a few seconds, then remove them to reset the connection.
- Clean any debris from the earpiece mesh.
- Earbuds Not Pairing:
- Ensure earbuds are out of the case and in pairing mode (flashing lights).
- Turn off and on Bluetooth on your device.
- Forget the device in your Bluetooth settings and attempt to pair again.
- Ensure earbuds are sufficiently charged.
- Poor Sound Quality:
- Adjust the earpiece fit to ensure a proper seal in your ear canal.
- Try different earpiece sizes.
- Ensure the earbuds are within Bluetooth range of your device.
- Check the selected sound mode (Normal, Bass, Clear) and adjust as desired.
For more detailed troubleshooting, refer to the official JVC support resources or the full User Manual (PDF) linked in the Support section.
Specifications
| Specification | Detail |
|---|---|
| Model Name | HAEC25T |
| Connectivity Technology | Bluetooth 5.1 |
| Wireless Communication Range | 10 Meters (approx. 33 feet) |
| Battery Life (Earbuds + Case) | Up to 30 Hours |
| Water Resistance Level | IPX5 (Water Resistant) |
| Frequency Response | 20 Hz to 20,000 Hz |
| Impedance | 16 Ohm |
| Audio Driver Type | Dynamic Driver (Neodymium Magnet) |
| Control Type | Touch Sensor, Voice Control |
| Ear Placement | In Ear with Ear Hook |
| Material | Plastic |
| Item Weight | 5.1 ounces |
Warranty & Support
For warranty information and detailed support, please visit the official JVC website or refer to the documents provided with your product.
- Official JVC Store: JVC Amazon Store
- User Manual (PDF): Download User Manual
- Instructions for Use (IFU) (PDF): Download IFU
- Troubleshooting Guide (PDF): Download Troubleshooting Guide