Product Model: SF-910 Sensitivity: -55dB +/-2dB Polar Pattern: Omni Impedance: ≦2.2K ohm Sensitivity Reduction: Within -3dB at 1V Operation Voltage: 1.5V Standard Operation Voltage: 1.5V Frequency response: 50Hz~16KHz S/N ratio: > 36dB High performance microphone accurately reproduces sound with noise cancellation.perfect voice recorder. Wide frequency response and high output makes vocal performance sound clear and vibrant. Conveniently stand with the help of the mini desktop tripod and clip.(Included) With mount stand, supporting 360 degrees rotation, users can speak freely with this hands free microphone.The Stand can be rotating 180 degree. Can be used for karaoke, sound reinforcement, and multimedia applications. recording, language & other training, internet gaming, internet video chat, videoconferencing, etc. Special design for chatting over QQ, MSN, SKYPE, and singing over internet. 3.5mm stereo plug, Compatible with PC, laptop or notebook. Plug and start recording, no extra gear needed! Brand other SKU OT776EL0V0KU4NAFAMZ-246777