Carbon steel material, freely bend multi-angle adjustment 360 full range of high sensitivity , clear sound quality, high fidelity restoration Anti-spray cotton sleeve, can filter part of the noise during the process, the sound is clearer USB interface design, plug and play, no need to install drivers, simple operation Directivity:all directions Sensitivity:-30dB+3dB Impedance:Less than 2.2KQ Power supply voltage USB:4.5-5V DC Frequency response:50Hz-16KHz : 36dB Total length:35.3CM Colour:Black Material:Plastic+Metal Package Contents: 1 * Microphone 1 * Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.