Sennheiser SL HEADMIC SET DW-4-US R SpeechLine Digital Wireless SystemThe Headmic Set comes with the the brand new SL Headmic 1 condensor headworn microphone, the Bodypack transmitter, stationary receiver and everything to use or install. The headmic 1 is very sleek, robust and still wheighs only 7g without the cable. The black and silber design almost disappears in the environment and still offers the best sound perfomance. All sets also come with rechargeable battery with up to 15hrs operating time. The battery is