Plantronics mini USB Charging Port Stand for Plantronics Discovery 655, 645, 640, 665 Bluetooth Headset Plantronics mini USB Charging Port for Plantronics Discovery 655, 645, 640 and 665 Bluetooth Headsets. This mini USB Charging Port Stand snaps onto the bottom of the headset's Pocket Charger. Requires the corresponding/compatible Plantronics Headset Pocket Charger that came with your Device Originally (Not Included / Sold Separately). This mini USB Charging Port can be used to charge your device through a mini USB Charger instead of the AAA Battery Charger. (Note: mini USB Cable or mini USB Charger is NOT Included)