- Standard version of CIC invisible earpiece, battery life about 8 hours, compared to other brands of earpiece, it has longer time other brands.
- Amplifier Professional Bluetooth Neckloop from whispering to deafening, this item can set 30dBm~120dBm, auto answer, two-way talk, 10-120 cm to A780 A680 earpiece loud sound
- Covert operation for security authority, Public security department , Lottery industry
- Disclaimer: You must use a certified SR416SW battery to ensure sufficient battery capacity. If you use poor battery, we do not guarantee continuous working time for more than 8 hours.
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