This accessory conveniently clips to your shirt pocket or lapel and enables easy communication without having to remove the radio from your belt. Features a noise-cancelling directional microphone that helps eliminate ambient noise and ease communications in high-noise environments. Motorola's exclusive IMPRES technology improves voice intelligibility and amplifies loudness--even in noisy situations. A large housing makes it easier to operate while wearing gloves in a more rugged environment. Audio jack available to attach earpieces for discreet communications.