Features: Capsule Type: Condenser Frequency Response: 100Hz-16KHz Output Impedance: 1K�� for short distance， 2.3K�� or long distance Sensitivity: -45dB for short distance; -38dB for long distance Polar Pattern: Ultra-cardioid Power Supply: DC1.5V Directional: uni-ultra-directional Effective pickup range: 3 meter The using time of the battery: 26 hours (using one battery of AA which is not included) Output: Unbalanced Switch: Toggle Size: Approx. 36.5 x 2.2cm/14.37 x 0.87inch(L x D) Weight: Approx. 750gOperation: Follow signs "+"， "-"， batteries are installed correctly， and connect the audio output line and cap Anti-wind foam. First， the amplifier volume is controlled in the "0" position. Then turn on the amplifier and the microphone， adjust the volume slowly until achieve the best. The best effects of pickup is away from the microphone head 30cm.Package Included: no box packing 1x Anti-wind foam cap 2x Mcrophone stands 1x Gun microphone (14.37in / 36.5cm long / metal body) 1x Stereo 0.25in (6.35mm) jack to mini 0.14in (3.5mm) jack adaptor 1x Cable: Approx. 23.4ft (7m) 0.25in (6.35mm) jack - XLR cable 1x English instructional manual