Our mobile hands free are special packaged and artistically displayed in PDQ, and are available in various colors. These microphones have very high sensitivity of 95dB +/-3dB, 10mW maximum input power, and good frequency response of 20-20,000Hz. Each unit has a color plated stereo plug and 120cm cord. Moreover package includes: Colorful Microphones, Clamshell packaging with cardboard insert.