This is a 2-pack earpad for specifically designed for Plantronics Blackwire 300 headsets models - 310 & 320. These soft foam replacement earpads have a soft memory foam which allow you to feel as if you have revitalized your headset experience. If you are in an office surrounded by other co-workers this will help reduce distracting background noises. Protect your headset investment with a pair of new earpads for your Plantronics Blackwire. The included mesh helps to stop debris from entering the speaker chamber on your headset - prevention is much cheaper then replacing your entire headset. Note: When ordering this item it will include 2 individual earpieces. Compatible Plantronics headsets: â Plantronics Blackwire 310 â Plantronics Blackwire 320