Upgrade the comfort of your existing headset. This accessory kit includes three earhooks, three ear tips, and three foam sleeves, ensuring a perfect, customized fit for your Plantronics CS540, C054, Savi 8240, Savi 8445, WH500, W440, W445, W740, W745, WO2, CS540XD, or CS545XD headset. The earhooks provide added stability and comfort, while the ear tips and foam sleeves offer noise isolation and a secure in-ear fit. Additionally, the kit includes a Headset Advisor sanitizing wipe to keep your headset clean and fresh. With this FitKit, you'll enjoy enhanced audio quality, improved comfort, and a personalized fit for all-day wear.