Plantronics Blackwire C3225 Headphone The Plantronics Blackwire C3225 Headphone will bring the best headset quality for your work, business and personal use. Plantronics headset is one of the most reliable headset when it comes to durability. Plantronics Blackwire 3200 series, provides corded UC headsets that are durable, comfortable, easy to deploy. This has straight, single-entry 3.5mm jack cord to use for most of the gadgets now a days. This surely worth your money so have one now and start a clearer conversation towards success!