Charge your Plantronics Bluetooth headset while you use your computer
ompatible with Calisto Pro, Explorer 330, 340, 350, Voyager 510, 520, Pulsar 590, and Discovery 640, 645, 655, and 665 headsets.
Simply plug the Plantronics USB Charger into the USB port on your computer then plug the other end into your Plantronics Bluetooth headset and you're set.