Features: 100% Brand new and high quality! This series interviewing professional microphones embodied with advanced controllable circuit and high quality condenser cartridge. The series are charactered to be uni-directional high sensibility and with good frequency response. It is best choice for business like media interview conference speech stage filming television camera and camcorder DVD/Skype/MSN/Computer etc. It is the camera microphone mic foe different bands of camera. Specifications: 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 NO. 5) Output: Unbalanced Switch: Toggle Size: approx. 276 x 22mm Color: Black Net Weight: 294g Package includes: 1 x Microphone 1 x Anti-wind foam cap 1 x Cable