Active Noise Cancellation(~30dB): By canceling out all the background noise, the microphones don't let unwanted sounds from your commute, or your surroundings get in the way of enjoying high-quality audio.13mm Drivers: The high performance large drivers pump out dynamic audio for an enthralling experience.ENx Technology: This bluetooth neckband reduces background noise and ensures your voice is heard clearly on calls40H Battery: Rockerz 301 ANC offers a playback of upto 40 hours.40ms Low Latency: Its beast mode offers a low latency of 40ms reducing lag for an entertaining gaming experience.