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Specifications

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.
 
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)
/