COMMUNICATIONS Speech Nitration Education Video Conferencing * Exclusive noise-canceling microphone meets the highest standards to receive the coveted “6 Dragon” rating for speech accuracy by Nuance ® Soft-Flex wire microphone boom for perfect placement © 23mm speakers with quality sound * Comfortable foam ear cushions * Reversible for left or right side usage * Adjustable headband folds flat for storage * Extra long 8-foot shielded cable with color-coded 3.