Enhance your videoconferences and gaming sessions with the sleek, ultra-light Microsoft LifeChat ZX-6000 Headset. An advanced digital speaker delivers crystal-clear audio for powerful, realistic sound. A noise canceling microphone captures your voice with remarkable clarity, eliminating the confusion and annoyance of fuzzy, sub-standard quality. The padded ear cup with adjustable earband lets you listen to media and play games for hours without causing discomfort. It's optimized for Windows Live Messenger, integrating seamlessly for easy setup and use, so you can enjoy easy audio switching and free worldwide Internet calling to your online contacts. Wireless 2.4 GHz technology and a 30' transmission range packs yet more convenience into this miniature device. The advanced battery is rechargeable, giving you up to eight hours of talk time per charge.