The CHAT 50 PLUS can be used in a variety of ways, and connects to the following devices: * Laptops, PCs, or Macs for use with: Internet telephones, such as Skype or Vonage, VoIP softphones, such as Avaya, Cisco, Nortel * Web conferencing applications, such as LiveMeeting, Sametime, and WebEx * Instant messaging with audio chat * Audio playback with media players, such as QuickTime, RealPlayer, Windows Media Player * PC-based gaming with TeamSpeak * Telephones for hands-free, full-duplex conversations * ell phones for hands-free, full-duplex conversations * Desktop video conferencing devices for hands-free, full-duplex conversations * Desktop Videoconferencing Partners iPods & MP3 players for full-band audio playback (single speaker)