AV-JEFE TCM128 is compact, miniature, broadcast quality condenser lavalier microphone. Detachable tie-clip allows easy mounting, offering flexibility, ease and comfort to the user. It has a specially designed sturdy slide-on tie clip for easy wire arrangement. Its cord is 20ft long, and is designed to be plugged into your mixer for speech, broadcasting, lectures, interview recording. Digital Camcorders/ Recorders:Compatible with digital camcorders or recorders which have 3.5mm mic input. Sine there are many brands in the market with different specifications, please make sure whether the microphone input of your digital recorder adapts 3.5mm stereo plug before purchase. If you are not sure, please kindly check with the manufacturer of the recorder. Computers:Compatible with PCs, notebooks which have 3.5mm mic input. Features: Great Quality Lapel Mic. With Patented Slides-On Clip. Built-in power supply with On/Off switch for convenient operation Can be plugged into any mixer with 1/4" mic input Capsule Dimension: 1/4" in diameter Clip Dimension: 1" in length (main body of clip) 1pc windscreen included Specifications: Element: Back Electret Condenser Polar Pattern: Omnidirectional Frequency Response: 30 Hz ~ 18,000 Hz Sensitivity: -65 dB +/- 3dB Impedance: 1000 ohm +/- 30% Operating Voltage: 1.5V D.C. (Battery) Dimension: 1/4" in diameter (capsule), 1" in length (main body of clip) Connector: 3.5mm Stereo Plug (stereo wiring) Cable Length: around 20 feet Accessories: - Battery x 1pc - Windscreen x 1pc - 3.5mm Stereo to 6.3mm Stereo (1/4") Plug Adapter x 1pc - 3.5mm Stereo to 6.3mm Mono (1/4") Plug Adapter x 1pc