-45dB Active Noise Cancellation, Be Yourself Quietly
Effectively shielding the environmental noise and human voices in multiple scenes, and regaining comfort and tranquility.

Equipped with a 10mm Driver to Restore the Original Sound of Each Song
BISA adopts the stereo enhancement technology to double en- hance the human voice and background sound, giving you a multi-directional 3D sense of encirclement.

4-Mic ENC Ensures Crystal-Clear Phone Conversations
By blocking out noise and amplifying your voice, we ensure that you're heard clearly anytime, anywhere.

Quickly Store Energy for You All-Day-Long
Equipped with a 400mah large-capacity charging case.

Power Up Real Quick Frequent Use Worry-Free
Charging case fully charged in just 1 hr. Ideal for busy schedules and on-the-go lifestyles.

Dual Bluetooth Connection Offers Convenience and Flexibility
Simultaneously pair with two devices and enjoy uninterrupted connectivity.

Upgraded Bluetooth 5.4, Beauty Always Online
The new Bluetooth version further reduces power consumption and brings you a more stable and smooth connection experience, making it easy to listen and enjoy.