-These Eartips Earbuds provide great noise isolation. Close the music in and Keep the madness out If you have any questions , please feel free to contact us through the (Buyer - Seller) Message Service Apply pressure and with a circular motion, twist with one hand clockwise and with the other the opposite direction, until the ear tip has fully covered the Driver of the Earphone. If you receive an item that is damaged or defective, we will refund you or replace it with identical one. Dear Customers, If you are unhappy with your purchase for whatever reason, please contact/send us an email, via (Buyer - Seller) Message Service, before leaving negative/neutral feedback or low star ratings. Money back guarantee! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketin.