1. Active sound collection technology for high sound quality 2. Made of high quality material, shockproof and 3. no need to drive, strong compatibility 4. Play and plug 5. Can be rotated 90 degrees to meet different needs Specification Microphone core type: electret condenser microphone Frequency range: 50-16000HZ High-quality sensitivity: -22dB+/-3dB (0dB=1Pa) Directivity: omnidirectional Signal-to-noise ratio: 60DBSPL Impedance: less than 2.2K Ohm interface:3.5mm Colour:black Material:ABS Package Contents: 1 * Mobile microphone 1 * rabbit fur windshield 1 * sponge windshield Only the above package content, other products are not included. Note: Light 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.