Takstar TCM-370 Mini Portable Clip-on Lapel Lavalier Hands-free 3.5mm External Screw Lock Jack Microphone Mic for Computer PC Laptop Loudspeaker

description":"Features: With 3.5mm external screw lock jack. Uni-Directional design for reducing feedback effectively. 360°rotary clip allows you to easily clip it to your collar, tie or pocket. The cable is about 1m. Great for hands-free mic speaking. Specification: Type: Condenser Microphone Frequency range: 50Hz-18KHz Sensitivity: -45dB +/-3dB (0dB=1V/Pa at 1kHz) Output impedance: 680 ohm±30% (at 1kHz) Plug socket: 3.5mm Cable length: Approx. 100cm / 3ft Package size: 7 * 7 * 2 / 2.8 * 2.8 * 0.8in Package weight: 17g / 0.6oz Package List: 1 * Clip-on microphone