Etymotic Research HF5 Etymotic Research Inc, Warranty, quality. Etymotic means“true to the ear.”

Contents U s e r M a n u a l High-fidelity Noise-isolatingearphonesDo not use at excessively loud levels. Research confirms that earphones that seal the ear canal allow listeners to listen at safer levels. Noise-inducedhearing loss is a function of exposure time, the average sound level and the peak of very loud sounds. A sealed eartip and lower listening levels allow for longer periods of safe listening Included IdentificationA. Earphones B. Cable sliderCare Cleaning and Replacing EartipsTo clean 3-flangeeartips Selecting an Eartip 3-FlangeFoam the earphoneProper Insertion RemovalACCU Filter Wax Filters 1. Remove Eartip2. Insert tool into the filterWarranty Etymotic Research Incquality. Etymotic means“true to the ear.” or reseller