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. Package will be shipped out in next 1-2 business days after we receive your payment. We ship via USPS First Class Mail with Tracking Number and Delivery Confirmation - Always 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 Marketing, eBay listing Apps, eBay.