Compact and easy to set up UHF wireless microphone set with a handheld transmitter and USB receiver. The receiver simply plugs into a USB power supply or USB port for power and outputs to a 3.5mm jack socket. A plugthrough USB connection is provided on the receiver to allow the USB port to continue to be used for connection to media or other USB devices e.g. for a USB flash mp3 player port. The handheld transmitter is powered by 2 x AA batteries and operates in one of 2 UK/EU licencefree UHF frequencies. This system avoids the need for a freestanding or rackmounted receiver and can operate from a standard USB power supply for ultimate convenience. 3.5mm to 6.3mm jack lead included Plugthrough USB connection for flash drive inputs