This handheld microphone from the U300® series operates in the 823 - 832 MHz + 863 - 865 MHz frequency band and features a dynamic cardioid capsule with 10 mW output power and a frequency response of 55 Hz - 16 KHz. It has a runtime of over 10 hours with two AA batteries, is conveniently synchronized via infrared with the U308 receiver, and a pilot tone ensures trouble-free operation. For flexible vocal and speech tuning, the U308 handheld transmitter is compatible with the U500® series of interchangeable microphone capsules.