![Amazon.com: Plantronics Blackwire C710-M Wired Headset - Retail Packaging - Black (Renewed) : Electronics Amazon.com: Plantronics Blackwire C710-M Wired Headset - Retail Packaging - Black (Renewed) : Electronics](https://m.media-amazon.com/images/I/6177ZWIzm1L.jpg)
Amazon.com: Plantronics Blackwire C710-M Wired Headset - Retail Packaging - Black (Renewed) : Electronics
![Amazon.com: Plantronics Blackwire C720-M Wired Headsets - Retail Packaging - Black : Cell Phones & Accessories Amazon.com: Plantronics Blackwire C720-M Wired Headsets - Retail Packaging - Black : Cell Phones & Accessories](https://m.media-amazon.com/images/I/91NpLjCL-7L.jpg)
Amazon.com: Plantronics Blackwire C720-M Wired Headsets - Retail Packaging - Black : Cell Phones & Accessories
![Amazon.com: Plantronics Blackwire C720 Wired Headset - Retail Packaging - Black : Cell Phones & Accessories Amazon.com: Plantronics Blackwire C720 Wired Headset - Retail Packaging - Black : Cell Phones & Accessories](https://m.media-amazon.com/images/I/417DjuT9WaL.jpg)
Amazon.com: Plantronics Blackwire C720 Wired Headset - Retail Packaging - Black : Cell Phones & Accessories
![Amazon.com: Plantronics Blackwire C720 Wired Headset - Retail Packaging - Black : Cell Phones & Accessories Amazon.com: Plantronics Blackwire C720 Wired Headset - Retail Packaging - Black : Cell Phones & Accessories](https://m.media-amazon.com/images/I/31FFBDkaFoL._AC_SY580_.jpg)