&lt;P&gt;The S4.04 Series Standard Headset System Comes With A Beltpack Transmitter A Headset Microphone (Mic-Sj33) And A Uhf Wireless Tuner. It Is Available On Channel 70 With 4 Switchable Licence Free Frequencies And Fully Synthesized Pll Quartz Tuning Technology.&lt;/P&gt;&lt;Table Class=Features&gt;&lt;Thead&gt;&lt;Tr&gt;&lt;Th Colspan=2&gt;Features&lt;/Th&gt;&lt;/Tr&gt;&lt;/Thead&gt;&lt;Tbody&gt;&lt;Tr&gt;&lt;Td Class=Feature&gt;Type&lt;/Td&gt;&lt;Td&gt;Headsets  &lt;/Td&gt;&lt;/Tr&gt;&lt;/Tbody&gt;&lt;/Table&gt;