The LKR-11 ListenTALK Receiver Pro is a one-way device designed for those participants that only need to listen to ListenTALK group conversations. The LKR -11 is equipped with Listen Technologies' ergonomic design, near field communications, encryption technology for added security, easy to use volume control and quick visible status via the OLED display. ListenTALK Receiver Pro is the simplest option for one-way communication among groups of two or more people in any environment. In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or Listen Technologies headphones.