Features: Condenser clip-on microphone with 3.5mm TS plug compatible with desktop computer and portable voice amplifier. Omni-directional polar pattern can pick up sound from all around and filter unwanted noise. Rotary clip allows you to easily clip it to your collar tie or pocket free your hands. 108cm cable for more convenient movement suitable for tour guide classroom teaching etc. With a foam windscreen for effectively reducing environmental noise. Specification: Type: Condenser Microphone Frequency : 20Hz-20KHz Signal / Noise: 14dB A Sensitivity: -32dB +/-2dB (0dB=1V/Pa at 1kHz) Plug socket: 3.5mm Cable length: Approx. 108cm / 3.5ft Package size: 11 * 8 * 2 / 4.3 * 3.1 * 0.8in Package weight: 11g / 0.4oz Package List: 1 * Microphone 1 * Foam windscreen