Invisible Earpiece, Wireless Earpiece, Micro Earphone
The invisible earpieces are cordless devices. They are virtually invisibly fits into the ear. It ensures complete covert reception that delivers a whisper from netloop transimitter or wallet transimitter. This enables you to listen to conversations with maximum convenience and discretion. Because of tiny size, the invisible secret service earpieces for maximum listening discretion in surveillance activities.
Two models of wireless earpiecs available, one is skin/yellow color another is full black color with long tail. Skin color earpiece featured by higher construction quality, clearer voice and longer battery life. Black color earpiece is smaller size and better hidding in ear canal.
Note: SEH09 model no longer in production.
Technique Specifications of Wireless Earpieces
|Specifications||TE05 Earpiece||TE08 Earpiece|
|Frequency:||200Hz ~ 5400Hz||200Hz ~ 5400Hz|
|Distortion Rate:||< 2%||< 2%|
|S/N Ratio at 2KHz:||> 5KHz||> 5KHz|
|Saturated Output (OSPL90dB):||115 dB||115 dB|
|Peak Value:||40 dB||40 dB|
|Relative Sensitivity Limit:||< 85 dB||< 85 dB|
|Static Operation Current:||0.65 mA||0.65 mA|
|Equivalent Bottom Input Noise:||28 dB||30 dB|
|Weight(no battery):||0.5 gm||0.5 gm|
|Battery Type:||#337 Button Battery||#337 Button Battery|
|Battery Life:||6 hours||7 hours|
Wireless Earpiece Field Strength - Acoustic Pressure Output Level (±10dB)