Product Description
With the loop , the person using a hearing instrument can receive the sound from different sound sources,such as Mp3 player etc .It is built with amplificatory circuit .The sound are louder and clearer than other’s device .The Moreover the loop is two way communication .It not only can hearing but also can talking.It composes one covert communication system with a wireless covert earpiece and mobile phone or other sound devices .The loop has a connector and then can be connected to your mobile phone and other devices .
Product Characters
※ Small size, light weight, convenient to carry.
※ Simple and easy to use.
※ The use of amplification circuit design, clear sound quality, eases of communication.
Specification
|
Item
|
Index
|
|
|
Loop
|
Length Of Loop(Signal in-out line)
|
Optional
|
|
Length Cord(Connector cord to junction box )
|
Optional
|
|
|
Loop Diameter
|
3.0mm
|
|
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Input Signal
|
3.5Vrms max
|
|
|
MIC
|
Type
|
Omni directional electrets
|
|
Sensitivity
|
-35+/-4dB@(0db=1vPa HZ)
|
|
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Sensitivity Reduction
|
Within-3dB at 1.5V
|
|
|
Output Impedance
|
Less than 2.2KΩ
|
|
|
Frequencies
|
20Hz~20KHz
|
|
|
Amplifier Current Drain
|
50uA
|
|
|
Stand Operation Voltage
|
2V
|
|
|
Current Consumption
|
0.5MA max
|
|
|
Switch button
|
Switching Cycles
|
＞100,000
|
|
Operating Method
|
Push up and down
|
|
|
Power Supply
|
5V
|
|
|
Charging Time
|
Less than 1 hours
|
|
|
Standby Time
|
About 35hours
|
|
|
Music Playtime
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Up to 1.5 hours
|
|
|
Talking Time
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Up to 3 hours
|
|
|
Color
|
Black
|
|
|
Weight
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Approx 36g
|
|
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Dimension
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42X21x10mm
|
|
|
Environment Temperature Range(operating)
|
-10℃ To +60℃
|
|