Arozzi Sfera . Type: Table microphone, Microphone sensitivity: 44 dB, Microphone frequency: 50 - 16000 Hz. Connectivity technology: Wired, Device interface: USB. Product colour: Black, Chrome, Cable length: 1.8 m, Compatible operating systems: Windows Vista, XP Home Edition or XP Professional, Windows 7, Windows 8 and 8.1, Windows 10, Mac.... Power source: USB, Operating voltage: 5 V, Power consumption: 500 mA. Diameter: 9 cm, Microphone weight: 360 g