Built-in microphoneSounds and images play simultaneouslyCan be adjusted freely from far or nearManual focus360 degrees rotatable base Color: BlackInterface: USB 2.0Supported operating system: Windows 2000/XP/Vista/Win 7， Mac OS 10.4.6 or higher (but if your system doesn't support plug and play， please install the software CD) Static resolution: 5.0M/8M/10M/12M/50MMax dynamic resolution: 2560x1920， 2048x1536， 1600x1200， 640x480 etc.Microphone and CD are includedManual focus1 x Webcam1 x CD