Trust GXT 232 Mantis. Type: PC microphone, Microphone sensitivity: -38 dB, Microphone frequency: 50 - 16000 Hz. Connectivity technology: Wired, Device interface: USB. Product colour: Black, Cable length: 1.5 m, Compatible operating systems: Chrome OS. Power source: USB. Width: 50 mm, Depth: 35 mm, Height: 150 mm