1.[Crystal Audio Quality] The built-in HD dual microphone with advanced CVC8.0 and ENC technology offers crystal clear audio and natural sound, so you can enjoy high quality music and clear phone calls anywhere.

2.[Long Battery Time] It only takes 1.5-2 hours to fully charge. Then the wireless headset can support up to 14 hours of talking time, 16 hours of music time and 7.5 days of standby. These Bluetooth earbuds allow you to make wireless calls and enjoy listening all day.

3.[Friendly Design & Comfortable Wear] The lightweight over-the-ear headset is suitable for most people. It is completely fit for both left and right ears. And with adjustable and stretchable over-ear clip, and 5 optional earbuds of various sizes, you can adjust them to suit your needs.

4.[Hands-free & Convenient] This bluetooth headset with the microphone has smart button design and supports Siri and other voice assistants. It can notify you of battery level, connection status, and even give the caller's phone number except for the caller's name.

5.[Stability upgrade & 2 Device Connection] Two devices can be connected at the same time. With Bluetooth 5.0 technology, all iOS and Android smartphones, tablets, laptops and other bluetooth devices can be paired quickly and stably at a distance of up to 30 meters.

When your mobile phone's signal is weak, the stability of the Bluetooth connection may be affected.

B3pro is suitable for most Bluetooth devices. However, the version of the Bluetooth module in some IP phones is lower, and it may not be able to connect with the headset normally.

The noise cancellation technology applied in the headset mainly acts on the noise in the surrounding environment, such as horn, broadcast, noisy sound and etc. It doesn't work for human's voice, if you are answering a call, they can hear people's conversation nearby you.