The Chat 50 personal speaker phone is a mobile audio peripheral that connects to a wide variety of devices and provides crystal-clear hands-free audio communications. It provides unmatched full-duplex capability which allows users to simultaneously speak and listen without audio cutting in and out. It also provides high-quality audio playback for music gaming and other sound files. Chat 50 applications are; Internet Telephony Enterprise Telephones (Avaya Cisco NEC Nortel) VoIP Softphones Cell Phones Web Conferencing Instant Messenger Desktop Video Conferencing Audio Playback PC-Based Gaming.