1. Introduction
The JVC HA-A20T Wireless Earbuds are designed for comfortable wear with a small and lightweight body, featuring a soft, curved design. These earbuds offer up to 24 hours of total playback time with the included charging case and are equipped with convenient one-button touch controls. Experience powerful and clear sound thanks to Victor's acoustic engineering and high-quality drivers. The earbuds are also IPX4 splash-proof, making them suitable for various environments.

Image: The JVC HA-A20T Wireless Earbuds and their charging case, showcasing the compact design and available colors.
Key Features:
- Lightweight Design: Each earbud weighs approximately 4.2g, featuring a stick-type body for a secure and comfortable fit.
- Extended Playback: Enjoy up to 7 hours of continuous playback from the earbuds, with an additional 17 hours provided by the charging case, totaling approximately 24 hours.
- Intuitive Touch Controls: One-button operation on each earbud allows for playback, pause, track skipping, and volume adjustment.
- High-Quality Sound: Equipped with high-quality drivers utilizing high-strength neodymium magnets and Victor's sound tuning for powerful and clear audio across all frequencies.
- Call Functionality: Features a microphone mute function and supports single-ear use for comfortable online meetings and telework.
- IPX4 Water Resistance: Resistant to rain and splashes, suitable for various daily activities.
- Customizable Fit: Includes four sizes of ear tips (XS, S, M, L) to ensure a comfortable and secure fit for different ear sizes.
- Stable Bluetooth Connection: Supports Bluetooth® standard Ver.5.3, Power Class 1, for a stable wireless connection.
2. Product Overview
The HA-A20T earbuds come in a range of soft, appealing colors, each featuring the iconic Victor dog mark. The compact charging case complements the earbuds' design, providing both protection and additional battery life.

Image: Multiple color options for the HA-A20T charging cases, including black, white, green, and purple.

Image: The included USB charging cable and the four different sizes of ear tips (XS, S, M, L) for personalized comfort.
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the provided USB charging cable to the charging case's USB-C port and a USB power adapter (not included). The indicator lights on the case will show the charging status. Once fully charged, disconnect the cable.

Image: The HA-A20T charging case with a USB cable inserted, indicating the charging process.
3.2 Bluetooth Pairing
- 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-A20T" from the list of found devices.
- Once connected, a confirmation sound will play, and the earbuds are ready for use.

Image: A user gently touching the earbud, illustrating the simple touch control interface.
3.3 Fitting the Earbuds
Choose the ear tips that best fit your ears from the four provided sizes (XS, S, M, L). A proper fit ensures optimal sound quality and comfort. Gently insert each earbud into your ear canal and twist slightly to secure it.

Image: A woman wearing the HA-A20T earbuds, demonstrating how they sit comfortably and securely in the ear.
4. Operating Instructions
4.1 Touch Controls
The HA-A20T earbuds feature touch sensors on both the left (L) and right (R) earbuds for various functions. The following table outlines the touch operations:
Video: A demonstration of the touch controls for the JVC HA-A20T Wireless Earbuds, showing how to play/pause, adjust volume, skip tracks, and activate voice assistant.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| 1 Tap | Play/Pause | Play/Pause |
| 2 Taps | Volume Down | Next Track |
| 3 Taps | Volume Up | Previous Track |
| 1-second Long Press | Activate Voice Assistant | Switch Sound Mode |
| 3-second Long Press | Power ON/OFF | Power ON/OFF |
Note: These operations are for when both earbuds are worn and music is playing.
4.2 Sound Modes
The HA-A20T offers three sound modes to suit your preferences: NORMAL, BASS, and CLEAR. To switch between sound modes, perform a 1-second long press on the right earbud. Each mode provides a distinct audio profile:
- NORMAL: Balanced sound for everyday listening.
- BASS: Enhanced bass for a richer, more powerful sound.
- CLEAR: Emphasizes vocals and high frequencies for crisp, clear audio.
4.3 Call Functions
During a call, you can use the touch controls for various functions:
- Answer/End Call: Single tap on either earbud.
- Reject Call: Long press on either earbud.
- Microphone Mute: The earbuds feature a microphone mute function. Refer to the detailed user guide for specific activation steps.
- Single-Ear Use: Either earbud can be used independently for calls. Note that some touch control functions may be limited when using only one earbud.
5. Maintenance
5.1 Cleaning
Regular cleaning helps maintain the performance and longevity of your earbuds. Use a soft, dry cloth to wipe the earbuds and charging case. For ear tips, remove them from the earbuds and clean with a mild soap solution if necessary, then rinse thoroughly and dry completely before reattaching.
5.2 Water Resistance (IPX4)
The HA-A20T earbuds are rated IPX4, meaning they are resistant to splashes of water from any direction. This makes them suitable for light rain or sweaty workouts. However, they are not designed for submersion in water. Avoid exposing them to strong jets of water or prolonged contact with moisture.

Image: The HA-A20T earbuds shown with water droplets, highlighting their IPX4 splash-proof design.
6. Troubleshooting
If you encounter issues with your HA-A20T earbuds, please refer to the following common solutions:
- No Sound: Ensure the earbuds are charged, properly paired with your device, and the volume is turned up on both the earbuds and your device.
- Cannot Pair: Make sure Bluetooth is enabled on your device and the earbuds are in pairing mode. Try turning Bluetooth off and on again on your device, or reset the earbuds (refer to the full user manual for reset instructions).
- Intermittent Connection: Ensure there are no obstructions between the earbuds and your device. Move closer to your device and away from potential interference sources (e.g., Wi-Fi routers, other Bluetooth devices).
- Microphone Not Working: Check if the microphone is muted during a call. Ensure the earbuds are properly seated in your ears.
- Earbuds Not Charging: Verify that the charging cable is securely connected to both the case and the power source. Ensure the earbuds are correctly placed in the charging case.
For more detailed troubleshooting, please consult the full user manual available on the JVC website.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | HA-A20T |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Included Components | USB Charging Cable, Ear Tips (XS/S/M/L), Victor Logo Mark Sticker |
| Material | Plastic |
| Control Type | Bluetooth |
| Cable Feature | Cable-less |
| Item Weight | 39.9 grams |
| Control Method | Touch |
| Number of Items | 1 |
| Battery | 2 Lithium Ion batteries (included) |
| Product Model Number | HA-A20T-B |
| Color | Black |
| Connector | Bluetooth |
| Interface | Bluetooth 5 |
| Size | 1 piece (x 1) |
| Battery Type | Lithium Ion |
| Ear Placement | In-Ear |
| Headphone Form Factor | In-Ear |
| Noise Control | None |
8. Safety Information
Please read and follow these safety guidelines to ensure safe and proper use of your JVC HA-A20T Wireless Earbuds:
- Do not disassemble, repair, or modify the product.
- Avoid exposing the earbuds or charging case to extreme temperatures, direct sunlight, or high humidity.
- Keep the product away from water and liquids, beyond its IPX4 splash resistance.
- Do not use the earbuds at excessively high volumes for prolonged periods, as this may cause hearing damage.
- Keep out of reach of children and pets.
- Dispose of batteries and electronic components according to local regulations.
9. Warranty and Support
Your JVC HA-A20T Wireless Earbuds come with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included in the product packaging or visit the official JVC website.
For technical support, product registration, or frequently asked questions, please visit the JVC support page or contact customer service through the contact information provided in your product documentation.
JVC Official Website: www.jvc.com





