Bluetooth headphones Generation 2

1:1 Bluetooth headphones. The second Generation of the Bluetooth headphones . These Bluetooth headphones come with noise cancelling and a valid serial number. – Up to 2x more Active Noise Cancellation than the previous Bluetooth headphones for dramatically less noise on your commute, or when you want to focus. Adaptive Transparency lets you comfortably hear the world around you, adjusting for intense noise—like sirens or construction—in real time.