Plantronics M 155          (remove ear gell)

Plantronics M 70            (remove ear gell)

Plantronics Marque 2     (remove ear gell)

M 165 

Plantronics M 25           (remove ear gell)

Plantronics

Discovery 975               (remove ear gell)

About the Ear Gell:

The loop on the top of the ear gell (arrow) acts like a spring and pushes the speaker out of the ear when it's pivoted in with the Chat Clip. The loop can be cut off or the ear jell removed. It does not affect the earpiece's performance.