‖ Information
Product Description
Wireless Covert Earpiece is a wireless electromagnetic induction receiver, which designed perfectly according to human ear canal .It is the core part of the full set of covert reception device on signal reception and electro-acoustic transducer. It works with a wireless electromagnetism inductor. It has the appearance of small, simple operation, wearing comfort and the advantages of strong secret. It mostly applies to the site, which inconvenient to exposure the lead wire and body of earpiece, such as terrorism, criminal investigation, radio broadcasting, stage performances, etc.
Product Characters
※ Earpiece is small, fine workmanship, good concealment.
※Streamlined user-friendly design, to wear a more safe and comfortable.
※The use of micro-electronic circuit design, high sensitivity, good answer and obturation.
※Anti-earwax unique design, easy to maintain.
※High-energy battery configuration, can be worked continuously for about 80 hours.
※Streamlined user-friendly design, to wear a more safe and comfortable.
※The use of micro-electronic circuit design, high sensitivity, good answer and obturation.
※Anti-earwax unique design, easy to maintain.
※High-energy battery configuration, can be worked continuously for about 80 hours.
Specification
Item
|
Index
|
Unit
|
|||
Sensitivity
|
200Hz
|
98.5
|
101.5
|
104.5
|
dB
|
500Hz
|
99
|
102
|
105
|
dB
|
|
1000Hz
|
101
|
104
|
107
|
dB
|
|
Output @ peak frequency
|
110
|
115
|
119
|
dB
|
|
Impedance @1000Hz
|
246
|
330
|
369
|
Ω
|
|
Direct Current Impedance@
|
137
|
161
|
185
|
Ω
|
|
Direct Current Range
|
/
|
0
|
/
|
/
|
|
Storage Environment
|
-40
|
|
63
|
℃
|
|
Dimension
|
5X10X14
|
Mm
|
|||
Battery working time
|
80
|
h
|
|||
Weight(including battery)
|
1.3
|
g
|
|||
Battery type
|
Zinc-air(A10)
|
/
|