PreSonus HD10-BT Bluetooth Headphones with Active Noise CancelingProfessional musicians and audio engineers rely on high quality headphones in the studio to make sure they can hear every sonic detail. PreSonus Eris HD10BT headphones provide studio quality audio performance with the mobility and freedom of Bluetooth connectivity. Active Noise Canceling (ANC) reduces ambient sounds by up to 18 dB, so whether youre walking down a busy street, or sitting in the middle seat on an airplane, you can listen to your