Mini wireless earpiece, 218 micspy

Nonmagnetic wireless invisible earpiece, fewer electric noise, cheap price. Compatible with all induction device.

Parameter:

•         Frequency Range: 200Hz~5400Hz
•         Distortion Rate: <2%
•         S/N Radio at 2KHz: >5KHz
•         Saturated Output(OSPL 90dB): 110dB
•         Ralative Sensitivity Limit: <-90dB
•         Static Current: 0.80mA
•         Battery Life (SR416SW battery):>5hrs
•         Weight: 0.7g

 Application scope:

•         Covert operation for security authority
•         Broadcast agency
•         Public security department
•         Lottery industry
•         Interview
•         Spy student
•         Other thinkable situation