The Stagg Wireless Lavalier Microphone Set features a frequency range of 2.4 GHz and a frequency response of 20 Hz – 20 KHz. It has an output impedance of 2200 ohms and uses a rechargeable lithium battery for power supply. The microphone is a condenser type with unidirectional directivity and a sensitivity of -47 dB. It has an operational distance of 25 meters and an operational time of up to 6 hours. The set includes a 6.35 mm (1/4″) audio adapter plug, microphone clamp, windscreens, and a double charger cord. This easy-to-use set is ideal for various applications and offers automatic pairing for convenience. It is not discontinued by the manufacturer and comes with a transmitter and receiver.