Specification: Item Type: USB Microphone_x000D_Material: PVC_x000D_Product Weight: Approx. 51g_x000D_Model: SF-555B_x000D_Sensitivity: -30dB3dB_x000D_Directivity: Omnidirectional_x000D_Impedance: 2.2K_x000D_Working voltage: 1.5V_x000D_Standard working voltage: 1.5V_x000D_Frequency response: 50Hz-16KHz Features: 1The omnidirectional condenser microphone is compact, easy to carry and store. 2The first choice for computer recording, it is also suitable for instant voice communication such as lectures, podcasts, vocal recordings, and for Skype. 3High?strength PVC material combined with alloy sheet, dust?proof and sound?absorbing shell, sturdy and durable, and more beautiful. 430 times of crafting process, 50 times of precise manufacturing, delicate touch, giving you beautiful sound quality. 5Applicable to a variety of systems, for WIN7/8/10/ OS X/MSN/SKYPE/QQ, etc., allowing you to record your own voice anytime, anywhere. PackageList: 1 x_x000D__x000D_USBMicrophone 1 x Manual