DM100 USB mouse UHF transmitter

[DM-100]180.00USB mouse UHF transmitter.When plugged to a USB port the mouse works as usual and the transmitter transmits conversations to a distant receiver.No need to change batteries. The transmitter works as long as it remains plugged to a USB port.With our Automatic Gain Control system it is able to pick up a whisper 40 feet away from the transmitter microphone as clearly as loud speech near it. Exceptional audio performance.