This looks like a phone add on. However if it reduces noise would this be useful to improve voice activated charting. Interesting.
CrystalTalk™ (kris’t?l-tôk). n. Noise-canceling technology manufactured by Motorola; “a bundling of microphone noise reduction and noise adaptive speaker enhancements meant to improve the clarity and intelligibility of speech while you are in a noisy environment.” – Motorola.com