[. . . ] Insert the battery according to the polarity markings. Description The TASCAM TM-ST1 is configured with an M/S stereo pattern for excellent imaging and natural ambience. [. . . ] The AA battery generally provides approximately 200 hours of use under normal circumstances. Light weight body with professional clip, convenient for carrying and set-up. Remove the battery if the microphone will not be used for a long period of time. Specifications Type: Single point stereo (Mid-Side arrangement), electret condenser microphones Cardioid for Mid, and figure of 8 for Side. Channel difference within 3dB 1k ohm 2k ohm 110dB 85dB 1. 5V Battery (AA) 4mA approx. If the battery leaks, clean the battery holder before inserting a new battery. Connection Switch off the microphone and insert the 3. 5mm stereo plug into the microphone input of your recording device. Polar pattern: Frequency response: Sensitivity: Nominal Impedance: Min load impedance: Max. SPL: Dynamic range: Power Source: Power consumption: Battery lifetime: Output connector: Weight: Accessories The TM-ST1 includes a microphone clip and tabletop stand. [. . . ] To use the clip with a microphone stand, the mic clip comes with 3/8" and 5/8" adapter screws. [. . . ]