Overview The Poly 85Q18AA is a spare fit kit designed specifically for the Plantronics CS540 wireless headset, providing essential parts to maintain comfort and secure fit throughout your workday. This kit includes multiple earloops and ear tips that allow you to customize how the headset sits on your ear, reducing fatigue and improving audio clarity whether you are in a busy contact center or working remotely from home. Key features Three earloops in small, medium, and large sizes to ensure a secure fit without discomfort Two interchangeable ear tips that let you adjust the audio seal and comfort level quickly Soft foam sleeve that adds cushioning for longer wear during extended calls or meetings Compact and lightweight design makes it easy to carry and store in a desk drawer or laptop bag Tool-free swapping of parts allows fast adjustments before important calls or presentations Supports hygiene and headset longevity by allowing multiple users to have personal fit components Key specs Compatible headset: Plantronics CS540 wireless headset Earloop sizes: small, medium, large Ear tips included: two interchangeable types Foam sleeve: one included for added comfort Kit weight: approximately 0.015 lb Box dimensions: 3.65 x 3.45 x 0.7 inches Designed for flexible use and hygiene This fit kit is ideal for environments where headsets are shared among team members, such as contact centers or shared workstations. Each user can keep their own earloop and ear tip, which helps maintain hygiene standards and extends the headset’s usable life. Remote workers will also find this kit useful for keeping their headset comfortable and ready for any meeting without worrying about lost parts.