HISENIOR Audio Mega5Est 7th Anniversary Edition (OG Version) - 2EST + 2BA +1DD Hybrid 2Pin 0.78mm Audiophile IEM HiFi Earphone, Carrying 1.2M Cable,Bass Warm Harman Tuning in-Ear Monitor (4.4mm Balanced) BRIO 300 crowned with an elegant frosted

crowned with an elegant frosted cap and adorned with a distinctive silver emblem

With IP55 waterproofing

or silicone

kelp extracts

HISENIOR Audio Mega5Est 7th Anniversary Edition (OG Version) - 2EST + 2BA +1DD Hybrid 2Pin 0.78mm Audiophile IEM HiFi Earphone, Carrying 1.2M Cable,Bass Warm Harman Tuning in-Ear Monitor (4.4mm Balanced) BRIO 300 crowned with an elegant frostedErgonomic Design: The shell of Mega5EST earphone is made of high quality resin, quite ergonomic which is not only comfortable for longer usage but also provides excellent passive isolation Driver Configuration: Mega5Est in ear earphone equipped with custom 10mm Bio cellular diaphragm dynamic driver, 2 Sonion balanced armature, 2 Sonion EST driver hybrid. Provide 25@1kHz impedance, 100dB mW@1kHz sensitivity, 10Hz 50KHz frequency response, 0. 5%0. 1%