Four pairs of TRILOGY Eartips are included with each pair of ISOtunes. When you receive your product, try on each eartip size for comfort and fit. For optimal hearing protection, follow the directions below:

  1. Inspect the eartips before every use for degradation or deformation. The integrity of the eartips is vital for proper hearing protection. 
  2. Ensure the eartips are securely attached to the ISOtunes product.
  3. Insert the eartips - make sure they are fitted, adjusted, and maintained in accordance with the manufacturer's instructions as stated in the manual included with the product.

Replace each pair of eartips every 1-3 months. For automatic replenishment and 15% off each eartip order, sign up for Subscribe and Save.