Plantronics VoIP headsetSuperior sound quality, stylish design, four comfortable wearing optionsHands-free convenience via USB port200 Foot range from computer with no wiresRemote ring detectionStreamlined one-touch control, mute button, and call answer/end for complete control away from deskInstant USB connectivity for easy compatibility and quick set-up8 Hour talk time without rechargingClear, secure conversations with digital 900 MHz technology Customizable comfort with four wearing stylesIntelliStand base unit automatically answers or ends a callNoise cancelling technologyPLCS50USB