12pcs (B)- S/M/L Replacement Earbuds Eartips Set for Jaybird Freedom F5 and Jaybird X3 and Run Wireless Bluetooth In Ear Earphones/Headphones These ear tips isolate sound, provide a secure fit, and maximize comfort of your in ear device. Water washable, anti-static, removable and replaceable. Perfect fit and comfort for your ears, left and right. Great replacement for any damaged, scratched or defective Earbuds Ear tips. You can also use these to provide better hygiene - when you change often. With one hand hold the ear tip and the other, the In-Ear Earphone Driver. Place the Driver of the Earphone in the edge of the ear tip canal. Using your thumb, apply pressure and push down on the top of the ear tip onto and until the ear tip has fully covered the Driver of the Earphone. Once you have put them on properly, they will stay on securely.