Logitech H540 USB HeadsetHigh quality, high performance headset brings your PC calls and music to life. Simply insert the USB Headset H540 and instantaneously experience crisp, digital stereo and more crystal clear calls. With the plug and play USB connection, you'll experience crisp, digital stereo and more true to life calls almost instantaneously. Laser tuned drivers and a built in EQ deliver superior, unrivaled audio quality and rich bass so you can maximize your