The WMS40 Mini wireless microphone system provides crystal clear sound and is a true plug'n'play solution. “Up and running” in a second, it is the optimum wireless solution for small stages, clubs, places of worship, hotels, and gyms. The system is available in different application optimized set packages, all of which includes a universal, switched mode power supply for worldwide operation. The rugged handheld transmitter HT40 Mini offers a metal microphone cap and an ON/OFF/MUTE switch. The dynamic microphone capsule features a cardioid polar pattern. The WMS40 Mini system stands out for its extremely long battery life of 30 hours with a single AA battery which helps saving money in the long run. Operates on the licence-free ch 70 frequency range, Single fixed Frequency 864.735 MHz.