Earbuds have internal and external microphones for active noise cancellation, thus reducing environmental noise around you, like as traffic conditions or noise. The wireless Bluetooth earbuds reduce ambient noise by up to 90%, so you can immerse yourself in your music or calls.
Take out either left or right earbuds, Bluetooth earbuds can automatically connect. You don't need to take out two wireless earbuds simultaneously to connect. There is touch control, you can not have to control through the phone, to do wireless freedom.
Bluetooth earphones use a 10mm diameter speaker that enhances the audio's sense of presence. You can enjoy revolutionary call performances and great music.