The Logitech H390 is a wired USB headset designed for clear communication in call centers, home offices, or during gaming sessions. It features a closed-back, on-ear design made from ABS plastic, weighing 197 g, which keeps the device lightweight for extended wear. The integrated dynamic drivers provide a frequency response from 20 Hz to 20,000 Hz with a sensitivity of 97 dB SPL/mW and 32 Ohm impedance, ensuring balanced audio for both voice calls and media playback. To keep your conversations focused, the headset includes a bidirectionally capturing boom microphone that operates between 50 Hz and 10,000 Hz. You can manage your audio easily using the in-line control buttons to adjust volume, mute the microphone, or handle call playback and termination. A built-in LED indicator provides a quick visual cue for your current status, while the 2.3-meter cable offers plenty of room to move around your desk. These headphones are compatible with Windows, macOS, and Chrome OS, making them a versatile choice for various computing environments.