For Nozzle Diameter from 4.5 - 5.5mm Upgraded clarity, more details in the sound and finish and gives better information about the instruments. Better performance while moving, the rhythm of the instruments can be easily caught Excellence in both supporting capability and comfort. Steady and wax-proof. No need to worry earbuds falling off Better Flexibility Much More Durable Packaging :1 Set / 2 Pair Eartips. Note: The new version includes one pair of inserts. With the inserts, CP100 Plus fits thin nozzle diameter from 3-3.5mm, which is the same as our CP800. In the package, you'll be able to use them on earphones from major brands and also on earphones with thin nozzles, such as Shure, Etymotic and more.