Plug-and-Play USB Connection: The H390 connects via USB‑A (with a USB‑C variant available) and requires no software—simply plug it in and you’re ready to go. Headphone Specs: Stereo sound with 30 mm laser-tuned drivers Frequency response: 20 Hz to 20 kHz Sensitivity: ~94 dB Impedance: 32 Ω Microphone Specs: Noise-canceling boom mic (bidirectional) Frequency response: 100 Hz to 10 kHz Sensitivity: –17 dBV/Pa ±4 dB Physical & Build: On-ear, adjustable headband; padded, leatherette swiveling earcups Cable length: 1.9 m (~2.33 m on some models) Weight: ~197 g Controls & Features: In-line remote with volume up/down and a large mute button (with indicator light) Boom mic can be rotated up when not in use Sustainability: Made using significant recycled plastic (up to 54% depending on color) Certified carbon-neutral product Advantages & Strengths Affordable & Simple: Great value for basic tasks like video calls, tutorials, and distance learning. Reliable Mic Performance: Performs notably better than generic headsets; clear vocal capture for most scenarios. Convenient Controls: Easily accessible mute/volume buttons reduce disruptions during calls. Eco-Friendly: Uses recycled materials and supports Logitech’s sustainability initiatives.
