Description Goose neck design, convenient for adjust speaking angle. Helps to get music or voice out, loud sound. 3.5mm jack can be connected to PC, laptop, etc. Suitable speech, interview, studio, etc. use   Specifications: Type: 2 poles(single channel), 3 poles(stereo), 4 poles(pin) Color: black Head size: about 6*2.7mm Overall length: about 150mm Frequency response: 50Hz-20KHz Impedance: 2.2KΩ Sensitivity: about -34±3dB(0dB=1Pa) Plug: 3.5mm straight plug Application: loudspeaker(2 poles), sound card, recording pen(3 poles), mobile phones, tablet(4 poles)   Package include: 1*microphone   Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.