This Listen Technologies LA-277 microphone is an omnidirectional microphone that sits on a table top. It's designed for applications such as audio conferencing, voice amplification, meeting room monitoring and sound reinforcement. Stands 2 inches tall and has a weighted base. Use LT-700 Portable RF Transmitter or LT-84 ListenIR Transmitter/Radiator Combo for a portable assistive listening system.