Logitech H540 981-000510 USB Headset (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Premium headset for PC calls and music: High-performance laser-tuned drivers and built-in EQ for precision audio Plug-and-play USB connection: Instantly enjoy music, movies and calls in rich digital stereo sound Rotating boom microphone: Reduces background noise for clear chats, rotates up and hides away when you're listening to music On-ear controls and mute indicator light: Easy to adjust volume, mute the microphone and see when the mic is muted