Features: The soundproofing effect of ear plugs prevents surrounding noise. The heating element warms your ears. Recommended for people who are bothered by surrounding sounds when falling asleep

How to use: (1) Check whether the S or M earpiece fits your ear, and attach the aluminum earpiece to the main unit just before use. Remove the heating element from the bag *S is white, M is black
(2) Insert the heating element into the socket of the earplug body, and push the heating element firmly into the earplug body. *Make sure that the heating element is fitted into the tab to prevent it from falling off
(3) Hold the device in your hand so that the cut part of the device is at the back, and place it in your ear.
(4) Adjust so that the heating element is in close contact with the hollow of the ear

Ingredients: (Ear plug) Styrene rubber, (Earpiece) Silicone rubber, (Heating element surface material) Polyester Heating element, (heat generating part) iron, water, activated carbon, water-absorbing resin, salts