Logitech H600 Wireless Over-Ear Noise Cancelling Headphones, 981-000341, Black

Logitech Wireless Headset H600. Cut loose from your PC with this lightweight portable headset that offers laser tuned drivers 10 meter range and 6 hour rechargeable battery. 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. Frequency response (Headset): 40Hz - 10KHz Frequency response (Microphone): 100Hz - 6.5kHz. Input Impedance: 32 Ohms 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. Make sure the headset is the active output audio device in both your application and operating system Works with Windows Mac and common calling applications like Skype Yahoo! Messenger Gmail Windows Live Messenger and AIM