PROFESSIONAL HEARING PROTECTION & ASSISTANCE TV HEADPHONESFeatures voice highlighting & noise reduction tech to reduce TV background noise and make TV conversations stand out, helping you understand TV easily at a reasonable volume without damaging your hearing. Treble/Normal/Bass options help you find the optimum parameters and hear the target audio source clearly. BALANCE control is specifically designed for people with different hearing levels in left and right ears. MONO/STEREO option for more clearer dialogue or more vivid music. MAX COMFORTOver-Ear wireless TV headphones come with ergonomic designed protein earmuffs and retractable soft-padded headband providing lasting comfort. Full-sealed noise isolating ear pads effectively reduce the outside noise and let you understand your TV dialogues with lower volume. Gentle Reminder: 1.This TV audio assisted listening system is not available for pacemaker carrier. 2.We suggest you to take off the headphone every 1-2 hrs to get y