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FC Changjiang radiation-proof earphones
FC Changjiang radiation-proof earphones
Supplier Info
[China Supplier]
Contact Person : Ms. Zhao Mayling
Tel : 86-021-58226122
Fax : 86-021-68221183
Product Detail
1.reduce cell phone radiation by 99% 2.patented in china, Germany,PCT certificate 3.air tube technology, delicate appearance

The new generation of mobile phones terminal can not go without earphones, as we need both read pictures and listen to music and watch videos when we spend more time on mobile phones. More and more people have realized the harm that the radiation of mobile phones can cause, so FC changjiang radiation-proof earphones are our best solution to them.

Electret condenser microphone   

  

Offset

4.5VDC        2.2Kilohm

 

Sensitivity

—42±3dB f=1KHz,spL=1Pa

 

Directivity

omni directional

 

Static impedance

1—2.2 Kilohm

 

Peak voltage

10VDC

 

Distortion

at 400Hz and1kHz less than5%

 

Speech to noise ratio

More than 58dB

2. Horn

Sensitivity

 

114±5Db SPL/3Mw/5cm at 1KHz

 

Range of frequency

 

20Hz—20KHz

 

Resistance

 

32Ohm±15%

 

Rated power

 

3mW

 

Capacity

 

5mW

 

Lead wire length

 

1-1.5m

 

Comparison with phones with no earphones

Data above shows that FC radiation proof earphones can reduce radiation by 2640 times!

Comparison with common and Bluetooth earphones

Data above shows that FC radiation proof earphones are 52.5 times less radiant than common ones and 16.5 times less than Bluetooth.

Specifications above can be made as customers require.Specification All technical parameter can meet or exceed national standards

Patent Number granted by Germany: 20 2006 011 911.6, Patent Number of invention in China: ZL 2005 20042628.4PCT International Publication No.: WO 2010/043097A1

 Radiation free headsets +Any phones=safe phones

Package (For reference, can be packed as required.) One unit in a poly bag.200pc/carton (440*240*310mm)Carton weight: 0.15gGross weight: about 4kgNet weight: about 3.5kg

Current Customers: Konka (www.konka.com),Gioneehttp://www.gionee.net/Yi-phone (www.yi-phone.com/cn),Chiva( www.chiva.cn)

FC radiation free headsets news:http://www.china.org.cn/environment/2010-08/02/content_20622993_3.htm

FC Changjiang radiation-proof earphones

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