The Saramonic UwMic9 Wireless Mic Microphone Set includes a receiver unit (RX9) and transmitter units (TX9+TX9), all designed to allow for wireless connectivity. The body pack form factor makes it easy to discreetly wear the microphone while performing or recording. This professional-grade microphone set is ideal for musicians, public speakers, and audio professionals looking for reliable wireless audio transmission. With the Saramonic brand known for quality audio equipment, the UwMic9 set ensures clear sound reproduction and minimal interference.