Specification: Item Type: Mini USB Microphone Model: Hy-302 Material: ABS Product Color: As Pictures Shown Product Weight: Approx. 69g Sensitivity: -58 db and 1 db Impedance: 2.2K Operating voltage: 2V Features: 1It is suitable for full speed operation in compliance with USB2.0 and compliance with USB audio device category specifications. 2The microphone application that supports the USB suspend or resume mode 48KHZ recording sampling rate, in the recording only mode, the sampling rate is 8KHZ, 11.025KHZ, 22.05KH2, 44.1KHZ and 48KHZ. 3Support and20db microphone enhancement (enabled by default) declared as for AGC, used for default USB audio driver control. 4Compatible with for Win 2000 or Win XP or Win 7 or OS X, no additional driver is required. 5The mini usb microphone is made of high quality ABS material, compact, easy to carry and store. PackageList: 1 x USBMicrophone 1 x Protective Guard