Features: Flexible Gooseneck to adjust your convenient direction for talking. Professional condenser, with unidirectivity, high sensitivity and clear voice transmission Plug and play, no tools required, easy to install. Professional microphones used in various conferences, broadcasting, lectures and gatherings. Ideal for use with Laptop PC. Specifications: Microphone Directivity: unidirectional Sensitivity：-40db±2db Frequency Response: 100Hz～16000Hz Rate Power: DC 3V Power Supply: 2 * AA battery(not included) Plug Type: 6.5mm Package Size: 23 * 14.5 * 11cm / 9.1 * 5.7 * 4.3in Package Weight: 589g / 20.8oz Package List: 1 * Microphone