http://www.100-gift.com/rss/1955/1961/Computer-Microphone_1.xml Computer Microphone Wholesale,china Computer Microphone Suppliers, Manufacturers, Exporters en-us Promotional Gifts Center http://www.100-gift.com/custom_product/1955/1961-1/Computer-Microphone-6020.html Specifications: 1) Microphone unit: 6 x 5mm 2) Sensitivity: -58dB?dB 3) Cable length: approx. 2.5m 4) Plug type: ?.5mm stereo Packing: blister http://www.100-gift.com/custom_product/1955/1961-1/Computer-Microphone-6021.html Specifications: 1) Type: dynamic 2) Driver unit: 30mm 3) Diameter: 40mm diameter actuator 4) Microphone: 9 x 7/58±2dB 5) Impedance: 32? (1kHz) 6) Sensitivity: 102dB/mW 7) Frequency response: 5 - 28,000Hz 8) Cord: approx. 2.5m 9) Plug: stereo mini-plug (3.5mm diameter)