Shure GLXD14/SM35, SM Presenter Series, digital 2,4 GHz Wireless-System with GLXD1 pocket transmitter and SM35 headset microphone, up to 8 Systems parallel, automatic frequency setup, pilottone,antenna-Diversity, display of battery life in hours and minutes, remoteable transmitter-Gain, internal battery charger, metall pocket transmitter with condenser SM35 headset microphone capsule, 60 - 20.000 Hz, cardioid, hard plastic receiver, fixed antennas on the front, XLR- and Jack outputs, LC Display, upt ot 16 h battery life, up to 60 Meter distance, incl. Shure Lithium-Ionen rechargeable battery, charger set