Logitech Over-The-Head Wireless Headset H600 (Certified Refurbished) Convenient leave-in wireless receiver: Tiny nano receiver stays in your computer so your headset is always ready to use Clear stereo sound: Laser-tuned speaker drivers and noise-cancelling microphone for clear calls Long-range wireless: Listen and chat up to 10 m (33 ft.) from your computer-and longer with a six-hour rechargeable battery Comfortable design: Adjustable headband and foam ear cups feel good even after long hours of use Works with Windows, Mac and common calling applications like Skype, Yahoo! Messenger, Gmail, Windows Live Messenger and AIM