Model Number: CUM-02-5 Brand Name: Aier Key Specifications/Special Features: Fitting & care instructions: Gently pull ear outward and upward and insert the plug into the ear canal with a slight twisting motion. Never use force; allow the plug to sit comfortably in the ear.If painful, remove and reinsert.Check that plugs filter background noise and retain speech quality.If speech cannot be heard, plugs maybe a wrong size or inserted incorrectly. Wash with warm soapy water or 70% alcohol. Keep in the case provided when not in use. In the case of ear infection or problems consult a doctor before use.The principle of reducing pressure: Air buds into the ear, the principle is to make the air does not directly into the ear, air through the earplugs holes into the chamber will adjust the pressure through air chamber.
When pressure change, both ends can form resistance, air does not into the ear directly.
Adjust the air pressure change through the air chamber.
Making the Eustachian tube function of the ear will not result in a rapidly changing air pressure and cause too much pressure.

Our service:
1. Your inquiry related to our products or prices will be replied in 24 hours.
2. Well-trained and experienced staffs will serve you and your clients in fluent English.
3. OEM & ODM are welcomed, OEM brand is available.
4. Distributorship is offered for your unique design and some our current models.

Specifications:

• Place of origin:Guangdong, China (Mainland)
• Brand name:Aier
• Model number:CUM-02-5
• Material:Made from 100% silicone. Non-toxic. Hygienic
• Feature:Reduce pressure, noise canceling, landing, in flight
• Function:Small hole allows ear to breathe, can be in position for long periods
• Application:Flight, high skiing, high-speed elevator, high-speed subway
• Size:earplug head 9mmX27mm high
• Properties:doctors recommend, health, reusable, fits most ear
• Packing: OPP bag, plastic box, paper bag, blister
• Colors:blue & green