This product is either discontinued or we cannot get that from suppliers.
Manufacturer: Poly, Brand Name: Plantronics, Product Model: BT600 USB-C, Product Name: High-Fidelity Bluetooth USB Adapter, Product Type: Bluetooth Adapter, Host Interface: USB Type C, Form Factor: External, Device Supported: Bluetooth Headset.
The Poly/Plantronics 211002-01 is a spare BT600-C Bluetooth USB-C adapter. This product can provide excellent communication and music experience when connecting your existing Plantronics Bluetooth headset.