86-20-36455720
Bldg A-3, No. 2 Zibian, Xiusheng Road, Renhe Town, Baiyun District, Guangzhou, Guangdong, China
Gently pull ear outward and upward and insert plug into ear canal with a slight twisting motion.
Never use force; allow plug to sit comfortably in ear .if painful, remove and reinsert.Check that
plugs filter background noise and retain speech quality.If speech cannot be heard,plugs maybe
wrong size or inserted incorrectly. Wash with warm soapy water or 70% alcohol.Keep in case
provided when not in use.In case of ear infection or problems consult a doctor before use.
As the function of noise reduction,you wil be feel the voice rebound when saying after wear it.
Earbuds into the ear,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 is not directly into the ear,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 great pressure.
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. Distributor ship is offered for your unique design and some our current models.
1. Payment: T/T, Paypal,Western Union available.
2. Lead time:10-15 working days for 5000~50000 pairs, 15-20working days for >50000 pairs.
3. Samples can be available within 3-7 working days.
4. Shipping freight is quoted under your requests.
5. Shipping port: Guangzhou, China mainland.
6. Discounts are offered based on order quantities.
1.By Express: such as DHL, UPS, TNT, FEDEX etc. The dispatch time is about 3-7 days.
2.Air Freight: when your order more than 100kgs which will be more economical than express.
3.Sea Freight: we will update sea freight once we know your sea port where goods will be delivered.
4. Agent designated by client: please tell us the contact detail of your shipping agent and we will arrange to deliver the item.
