The Revolabs Solo Series Tabletop Microphone is used with the Solo series wireless microphone system. The Tabletop microphone is designed to capture speech while mounted on conference tables, podiums desktops, etc. The microphone is available in two polar patterns, this model features a cardioid pickup pattern that minimizes ambient room and surface noise. With 8 hours of talk time the microphone is designed to last. The Tabletop microphone can be fully charged in 2 hours in the Solo Executive Charging Tray (charges 8 units simultaneously) or the Solo Desktop Tray.