Logitech H600 Wireless Headset With Noise-Cancelling Mic

Convenient leave-in wireless receive. Clear stereo sound. Frequency response (Headset): 40Hz - 10KHz Frequency response (Microphone): 100Hz - 6.5kHz Long-range wireless up to 10 m (33 ft.) from your computer-and longer with a six-hour rechargeable battery Comfortable design. Works with Windows, Mac and common calling applications like Skype, Yahoo! Messenger, Gmail, Windows Live Messenger and AIM