Great technology throughout the microphone system make this system the ideal singing partner. And great vocals begin with great mic capsules: All 500 series vocal sets are equipped with capsules from Sennheiser's successful evolution 900 stage line. The evolution 900 series is stage proven and used by many acts on tour. Enjoy one-touch setup with the sync function. This system uses a feedback-resistant, super cardioid microphone capsule based on the evolution e 945 which allows the vocals to cut-through the mix while remaining warm, smooth and full sounding. The powerful hand-held transmitter shows all important information on its large graphic display. Its optional rechargeable batteries can be recharged just by placing the handheld in the optional charging station.