Model Number: SB050018. Fits: Plantronics 320, 330, 340, 350, 510, 520, 590A, 640, 650, 655, 665. Plantronics Genuine Accessories 66949-101 AC Power Adapter for Voyager Bluetooth headset 510, 510S, 510SL, Explorer 320, 330, 340, 350 Pulsar 590 & 590A and Discovery 640, 645, 655, & 665 Bluetooth headsets.
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