Phonak Roger Clip-On Mic is a compact microphone which uses adaptive wireless transmission to help people with a hearing loss understand more speech in noise and over distance. It is ideal for use by a partner or friend, plus it includes an audio input for listening to multimedia and TV connectivity. It can also be used alongside other Roger Clip-On Mics and Roger Pens in a microphone network. Transmits speaker’s voice over a distance of up to 10 meters, but it works best within your line of sight as people and walls may block the connection. This item includes: Roger Clip-On Mic, Docking station, Charger, Lanyard, Audio cables, Pouch, Quick set-up guide.