The SLX14/98H system comes with the SLX4 diversty receiver, SLX1 bodypack transmitter, and the WB98H/C Clip-On Instrument Mic. SLX Wireless Systems feature Shure's patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology. Backlit LCD with timeout feature Frequency and power lockout 3-segment battery fuel gauge 2 AA batteries (included) provide 8 hours of continuous use 518 - 782 mHz operating range WB98H/C The Shure Beta 98H/C (also available as the WB98H/C for use with wireless systems) is a premium cardioid condenser instrumental microphone that clamps onto the bell of wind instruments or onto the rim of percussion instruments. The integrated gooseneck and ratcheting swivel joint allows the microphone to be easily positioned and secured in place, and an isolation shock-mount reduces the transmission of instrument key noise and other mechanical noise. A gooseneck angle brace is included to provide better retention of the mi