Handheld wireless system from WMS40 series that is a true plug'n'play wireless solution and provides crystal clear sound. Up and running in a second, it is the optimum wireless solution for small stages, clubs, places of worship, hotels, and gyms, and works at frequency of 662.300 MHz. It includes the SR40 Mini stationary receiver and ond HT40 Mini handheld transmitter with a dynamic microphone capsule. The receiver features three status LEDs indicating on/off status, received signal strength (RF OK) and audio clipping (AF CLIP). It provides a volume control and a noiseless on/off switch to protect the connected speakers, as well as one balanced output via 6.3mm jack connector. The supplied switched mode power supply operates on any AC voltage from 110 to 240VAC and includes EU, UK, and US adaptors. The handheld transmitter features a cardioid polar pattern which ensures maximum gain before feedback and the unique HDAP (High Definition Audio Performance) technology that delivers brilliant sound. It also features an on/off/mute switch and a sturdy wire-mesh cap to protect the microphone element. The transmitter's stand-out feature is its extremely long battery life of 30 hours off a single AA battery.Battery Detail: Al/MnTransmitter/Microphone: HT40 MiniReceiver: SR40 miniPackage Contents: Adapter;Transmitter;MicrophoneFrequency Band: 662,3 MHzPower Supply: AdapterFrequency Range: 40 Hz - 20 kHzRackmountable: NoMade in: ChinaSystem: UHFFrequency: US45C: 662.3MHzExternal Antenna: NoUK/EU Power supply included: Yes.