Audio-Technica ATW-T3202 Handheld Wireless Microphone Transmitter | Frequency: EE1 (530 to 590 MHz)For uses with multiple people needing to be miked for a brief time, or performers who want mobility with the familiar feel of holding a mic, the ATW T3202 handheld transmitter body is a great choice. Durable metal body keeps the transmitter protected from rough handling. Transmitter is powered with 2 AA batteries (not included). Depending on the batteries in use, the transmitter typically runs for 8 9. 5 hours of continuous use. With Audio Technicas