- Contact Person : Ms. Zhao Mayling
- Company Name : Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd.
- Tel : 86-021-58226122
- Fax : 86-021-68221183
- Address : Shanghai,Shanghai,No.5829 Hunan Road Pudong New area, Shanghai
- Country/Region : China
- Zip : 201316
low radiation Air tube headsets
Hands-free HeadsetAny Mobile phone+Radiation free headsets=safe mobile phone
Reduce 99% Radiation of Mobile phone .
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 include Woman,middle-aged man or old people have realized the harm that the radiation of mobile phones can cause, so FC changjiang radiation-proof earphones are their best choice .
Specification All technical parameter can meet or exceed national standards
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 Mobile phone with no earphones
FC radiation proof earphones can reduce radiation by 2640 times!
Comparison with common and Bluetooth earphones
FC radiation proof earphones are 52.5 times less radiant than common ones and 16.5 times less than Bluetooth.
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
Package (For reference, can be packed as required.) One unit in a blister package.100pc/carton (43.5L*34W*41Hcm)Gross weight: about 7.5kgNet weight: about 2kg
Current Mobile phone Enterprises copartner: Konka (www.konka.com)Gioneehttp://www.gionee.net/Yi-phone (www.yi-phone.com/cn),
USA(Health advocate)--www.radiationproofcellphones.com
China news Report FC radiation free headsets :
http://www.china.org.cn/environment/2010-08/02/content_20622993_2.htm
low radiation Air tube headsets
