Plantronics Calisto Bluetooth PC Headset

PC, VOIP, mobil device use only, not for standard telephone use (does not include telephone base unit - package intended for Speech Recognition, VOIP and mobile device use only). The Plantronics Calisto Bluetooth microphone provides quality and dictation accuracy with NaturallySpeaking Speech recognition software. This package includes everything you need: Bluetooth microphone, USB adapter and charger. - Plantronics best-of-class sound with noise-canceling microphone and extended mouthpiece - Ergonomic earpiece for custom fit and all-day comfort - Up to 8 hours battery life/talk time