Specifications for the Logitech H390 USB Headset:
Audio & Microphone
Headphones
Stereo on‐ear design with 30 mm drivers
Frequency response: 20 Hz – 20 kHz
Sensitivity: 94 dB ±3 dB
Impedance: 32 Ω
Microphone
Bi-directional, noise‐cancelling boom mic (rigid, left‐side)
Frequency response: 100 Hz – 10 kHz
Sensitivity: –17 dBV/Pa ±4 dB
Connectivity & Controls
Connection: USB‐A (works plug‐and‐play; also compatible via adapter with USB‐C)
Cable length: ~1.9 m (6.2 ft) mono‐conductive cable
Inline controls: volume up/down, mute mic