Logitech H540 USB Computer Headset

Logitech H540 USB Computer Headset Introduction

Selling Logitech H540 wired USB computer headset. The headset features a noise cancelling mic and on ear controls. A good headset for music or audio calls. The headset is brand new in a box. It was purchased to use with an IP phone, and I went with another product. Since the box was opened, it cannot be returned. H540 USB Computer Headset features plug-and-play connectivity so you can instantly enjoy music, movies, and calls in rich, digital stereo sound. On-ear controls and mute indicator light make it easy to see when the mic is muted. Dimensions Height: 7.09 in (180 mm) Width: 9.65 in (245 mm) Depth: 3.07 in (78 mm) Weight: 4.23 oz (120 g) Cable length: 5.9 ft (1.8 m) Technical Specifications Microphone Type: Bi-directional Input Impedance: 20 Ohms Sensitivity (headphone): 115 dB +/-3 dB Sensitivity (microphone): -42 dBV/Pa +/- 3 dB Frequency response (Headset): 20 Hz - 20 kHz Frequency response (Microphone): 100 Hz - 16 KHz