1.Air Tube adopted to reduce 99% radiation. 2. Germany patent,China invention patent and PCT certificate. 3.Anti-drop earbud

The Detailed Description

1.Adopt advanced technology-Air Tube to keep 99% radiation away from our brain

2.Special microphone design provides crystal, clear and acoustic sound

3.Noise isolating eartip

4.Anti-drop earbud

Radiation-proof earphone(safe earphone)is for telecommunication equipments like cell phone which produces high frequency magnetic field and strong radiation. This new generation radiation-proof earphone can reduce radiation largely and produce high stereo sound.

The FC earphone is connected with cell phone by plug. Then radio signals are transferred to the main part of FC earphone. Circuit board in the main part transfers radio signals into audio signals which are released by loudspeaker. The audio signals are finally transferred to our ears.

The structure:

  1.earplug (rubber)

  2.swing joint: injection molded parts (material: PC/ABS)

  3.Acoustic lines : rubber

  4.main part

  5.Shield line

  6.Plug: diameter3.5mm, 2.5mm, 4PIN 8PIN 12PIN, and it can be made as customers require.

1.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 and 1kHzless5%
Speech to noise ratio	morethan58dB

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!

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

The main part of FC earphone is spray painted with pearl power so that it has smooth and high brightness surface.

Tensile strength  2kg and above

It can be for MP3 and MP4 etc.

Temperature range for operating  -25 degree Celsius---+55 degree Celsius 

Temperature range for inventory   -25 degree Celsius---+55 degree Celsius

Size    FC01 FC02 FC03 FC04

Color  white black red Blue

Sound high resolution sound

Patent Number granted by Germany 20 2006 011 911.6, and Patent of invention in China:ZL 2005 20042628.4

Radiation-proof earphones+Anyphones=safephones 

low radiation Air Tube Headsets