Specifications:Professional dual wireless microphone system.Suitable for professional singers in small bars and pubs, disco, karaoke and home use.Pop/shock noise protection.Voice compression.Dynamic microphone voice coil.It comes with wireless receiver for enhanced mobility.Easy to use, ideal for meetings, events, speeches, etc.It can connects with most audio devices that have microphone inputs(guitar amplifier, karaoke machines, etc).2 microphones, 1 receiver with 2 built in retractable antennas come with a 6.35mm jack cable.Type: Wireless Microphone SystemFrequency: FM121.7-128.7MHzFrequency Response: 100Hz-10000Hz (3dB)Audio Distortion: Less Than 1%Type of Emission: FMS/N Ratio: 80dBRF Output Power: 8mw (50mw Maximum)Frequency Deviation: 75KHzBattery: 9V Battery (Not Included)Type of Receiver: FMS/N Ratio: 50dBReception Mode: Super Heterodyne Space DiversityAudio Output Level: >25mVReception Sensitivity: 600w(Unbalanced)Power: 30dB/VNotes: Due to the light and screen setting difference, the items color may be slightly different from the pictures.Package Includes:1 x Wireless Receiver2 x Wireless Microphones1 x 6.35mm Jack Audio Cable