Medical Device speaker is a kind of micro speaker unit which uses a diaphragm made of Mylar material. Mylar speakers are of ultrathin design and lightweight and clear voice. It is widely used in medical devices (sphygmomanometer, glucometer, fetus-voice meter-) .
There are two types of Mylar speakers from the shapes:
1) Round shapes, we have products from 10mm to 57mm in diameter.
2) Oblong shape, we have products in sizes of 1510/1712/1813-..
FAQ
Q1. What is the MOQ? Medical Device Speaker Sphygmomanometer Speaker,Fetus-Voice Meter Speaker,Glucometer Speaker,Blood Pressure Monitor Speaker Shenzhen Xuanda Electronics Co., Ltd. , https://www.xdecspeaker.com
January 31 news, China Mobile users recently said that each time they use the iPhone4 or iPhone 4S activate Facetime and iMessage function will be deducted 1 yuan calls, while China Unicom iPhone users do not charge.
An iPhone 4S user who uses China Mobile’s mobile phone number claimed that after activating Facetime and iMessage, the phone card was deducted by 1 yuan. The content of the phone bill was international SMS service, but friends who used Unicom’s iPhone did not appear. This situation. Another iPhone user complained that because of his unfamiliarity with the iPhone 4S operation, he had deducted more than 10 yuan bills after switching the iMessage function several times, an average of 1 yuan each time.
In response, China Mobile's customer service stated that if China Mobile iPhone 4 and iPhone 4S users need to activate and open Facetime and iMessage functions, mobile needs to send an activation message to Apple's servers in the United Kingdom, each charging 1 yuan, and after the system upgrade will also Recharge 1 yuan once.
For China Unicom iPhone users do not charge fees, Unicom customer service said, Unicom iPhone users (without contracts and bare metal users) to activate and open Facetime and iMessage functions are free, even if you repeatedly switch iMessage function, iOS system upgrades are not charged .
China Telecom said that the CDMA version of the iPhone 4S will be launched on the Chinese mainland. It is unclear whether the activation and launch of the Facetime and iMessage services will be charged. 
XDEC: 2000pcs for one model.
Q2. What is the delivery lead time?
XDEC: 15 days for normal orders, 10 days for urgent orders.
Q3. What are the payment methods?
XDEC: T/T, PayPal, Western Union, Money Gram.
Q4. Can you offer samples for testing?
XDEC: Yes, we offer free samples.
Q5. How soon can you send samples?
XDEC: We can send samples in 3-5 days.