Clear away the noise and distractions with V7's Bluetooth Wireless headphones. Our noise cancelling technology improves enjoyment of music, allows for deeper concentration of work, or whatever needs your focus. That's the benefit of the HB800 Bluetooth Wireless headphones, they're designed with hybrid ANC technology to continuously monitor and measure outside noise and reduce it with an opposing signal. You can also adjust the noise cancellation level to better fit your environment so you can work and concentrate without distraction.