Lenovo 4XD1C82055. Device type: PC, Product colour: Black, Cable length: 0.79 m. Sensitivity: 85 dB, Output power: 3 W, Frequency range: 140 - 20000 Hz. Microphone frequency: 100 - 10000 Hz, Microphone direction type: Omnidirectional, Microphone sensitivity: 64 dB. Connectivity technology: Wired, Interface: USB Type-C. Width: 90 mm, Depth: 90 mm, Height: 49 mm