Digital Bluetooth microphone frees you from the hassle of wires at distances up to 200m 0db, 10db, and adjustable audio capture levels let you set the microphone to suit any environment Mic., Mix, and Receive pickup options allow recording the way you want Included wind screen keeps noise at bay Terminal protection holder functions as a stand and keeps the entire set together Analogue MI (Multi Interface) uses a standard 3.5mm jack on the receiver, to allow use of this microphone with many different devices Up to 18 hours of battery life (depending on usage)