AvimaBasics replacement for WH500 CS540 W440 Savi W740 Earloops Kit Compatible with Plantronics CS540 Earloops Kit The Plantronics 86540-01 Eartip with earloop is for use with WH500 CS540 W440 Savi W740 headsets. 86540-01 Features: Eartip w/ Earloop Kit For WH500 CS540 W440 Savi W740 headsets Smokey Color Ear Loop Made Of Nylon Material Includes: 1 small, 1 Medium, 1 Large Earloop & 1 small, 1 medium and 1 large Eartips and foam tube