-You can use warm water to wash and clean them to maintain good hygiene and it is good to change and update your eartips periodically to avoid ear irritations. 4.Using your thumb, apply pressure and push down on the top of the eartip onto and until the ear tip has fully covered the Driver of the Earphone. -Use your thumb and nail to grip the bottom of the eartip's inner rubber canal and slowly slide off the eartips from the Driver of the Earphone so the memory foam doesn't tear from the rubber canal. -Products are Brand New, Ready to Use and Sterilized using UV Light and 91% Alcohol following All Recommendations and Guidelines from the CDC and Government Agencies. Since the Items are for Personal Use, they wouldn't be returnable. But if you receive an item that is damaged or defective, p.
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