Made of , this wireless instrument microphone set has strong metal clip, condenser microphone and clear LED screen, easy to read status and has no distortion, very practical microphone. Features -Color: Black -Material: plastic -Size: 7.00X2.50X2.00cm/2.75X0.98X0.79in - Frequency range: 550-850MHz - Frequency response: 50Hz-16kHz - Distance: 50m - Working time: 6h - Made of material for lasting use. - Clear LED screen to show frequency, volume and battery level. - As long as there is a microphone jack or audio input jack, the receiver can be connected automatically after power-on for wireless amplification and KTV functions. - Suitable for music such as saxophone, tuba, trombone, trumpet, French horn, euphonium, and etc. - Note: this wireless microphone needs to be used with speakers or amplifiers, loudspeakers (not included). Package list: 1 1 x receiver 1 x transmitter 1 x charging cable