In-ear True Wireless Headset JVC Stix HAA-3TBU, Bluetooth 5.1, IPX4, 7.5 h (earbuds) / 22 h (with case), USB‑C

The JVC TWS Stix Black (model HAA-3TBU) are True Wireless Stereo in-ear earbuds designed for calls and music. Lightweight at 8.2 g per earbud and offering a wireless range of up to 10 m, they cover a frequency range of 20–20,000 Hz. The compact charging case and two available colours make these earbuds suitable for everyday use and teleworking.

Advantages

Up to 22 hours of combined playback time with the charging case and a rapid 15-minute charge that provides approximately 90 minutes of listening. Built-in microphone supports hands-free calls and voice assistant activation directly from the earbud. True Wireless Stereo connectivity and in-ear design ensure stable fit and clear audio.

Suitable for

• Teleworking and business calls
• Listening to music and podcasts
• Hands-free voice assistant use
• Everyday commuting and short workouts

Key specifications

• Model: HAA-3TBU
• Brand: JVC
• Connectivity: True Wireless Stereo (TWS)
• Frequency response: 20–20,000 Hz
• Wireless range: up to 10 m
• Weight: 0.0082 kg per earbud
• Ear coupling / Wearing style: In-ear (intraaural)
• Colour: Black
• EAN: 4975769025723

How to use

Take the earbuds from the charging case and pair them with your device following the Bluetooth pairing process. Place each earbud in your ear canal for a secure fit. Use the earbud controls to answer or end calls, control playback, and activate the voice assistant. Return the earbuds to the charging case when not in use to recharge.

Recommendations

For optimal battery performance, fully charge the case and earbuds before first use. Use the earbuds in a dry environment and avoid exposing them to extreme temperatures or moisture. If fit or sound is not ideal, try different ear tip sizes to improve comfort and passive noise isolation.