-- Chest piece is made of high quality PVC anti cold laps.
-- Ear hanging group adopts adjustable design, according to the size of the face, ear Gallery angle to adjust, to achieve the best wearing effect.
-- Ear tube is provided with a built-in shrapnel hiding, and the tone guide tube cavity increased Y type installation set sound button, thus making the sound more smooth conduction, shrapnel durable elastic.
-- Earplugs with imported high elastic PVC synthetic material which can fit the ear more easily. With the function of easy removal of the earplug, users can remove it to clean or to change.