A wireless omni-directional microphone for interviews, conference, talk shows, recording, teaching and for work from home.The transmitter and receiver come with a re-chargeable battery with up to 10Hrs work time on a full charge. Transmitting type of two-way 2.4G FH with a work distance of 40-50mts.Mini metal clip allows you to easily clip it to your collar, tie or pocket. We use state of the art lightweight materials to insure you barely even notice the mic is there. Audio Signal: Digital Sampling 16bit 44.4KHz.Pairing Type: Automatic, Frequency Response: 20-20KHz.Current: 0dbm Current Less than 30mA