The Go Mic Mobile Beltpack Transmitter features the Samson LM8 Omnidirectional Lavalier Microphone, which comes complete with a lapel clip for optimal mic placement and windscreen to reduce P-pops and other unwanted noise. The transmitter also provides up to 100' (line-of-sight) of uncompressed digital wireless operation for up to 20 hours on two AA batteries (not included).