600 ohm unidirectional dynamic microphone features black metal body, On/Mute/Off switch, 10ft. low noise cable (for wired operation), Flexible antenna & Receiver unit. Mike & receiver are single "AA" battery powered. Range: >15m, Sensitivity: -72db, Frequency response: 100-10KHz. Cable has XLR mike connector on one end & a 1/4" phone plug on other end. Receiver has 1/4" plug to connect to Amp/PA system. Includes a padded storage case.