Mic wireless senheiser SKM 9004 ( GRADE A ) QUALITY BAGUS ( 4 Antena ) 1bh resiever digital 4bh mic clip on + transmitter digital 1bh kabel audio output 1bh hardcase Free baterai AA Frequency UHF Frequency bisa diganti-ganti jarak bisa pakai sampe 90m tanpa halangan suara bagus, jernih dan bersih,sensitif micnya cocok buat karaoke, MC, pidato,Seminar