Product Description

Wear " Stretch Erh " Brand prevents noise slow come back play earplug time want on carry auricle, Makes bended acoustic duct change straight, Then twist become thin " Stretch Erh " Brand prevents noise slow come back play earplug insert acoustic duct, Uses thumb point live earplug, Several minute behind " Stretch Erh " Brand prevents noise slow come back play earplug gradually recover go aboriginal condition, Can with acoustic duct tightness contact. Authenticates earplug quality unusual quality means is by observe it slow come back play speed, Slows down come back play time Yue Dynasty long quality Yue Dynasty good