CVK818 Earpiece - New style non-magnetic earpiece , size is smaller than 218 earpiece
Super MINI AMK 818 Earpiece Covert Earpiece available Non-magneitc
Description:
Mini wireless earpiece is a micro-mini wireless inductive receiver which transforms audio signal through electromagnetic induction. These products make the covert communication possible when it is inconvenient to expose earpieces. earpiece is widely used in many departments .Using this device;You can hear the voice from the person other side,and the person of the other side can also hear your vioce.
Mini wireless earpiece is a one-way reception equipment driven by electromagnetic induction and is used in conjunction with drive equipments, such as radio and mobile phone
Mini wireless earpiece receives signal by inductive coil.
across electromagnetic fields
Receiving distance: 50-70 cm
Standard Zinc-air battery: type 337
Battery life: about 5-8 hours
Audio bandwidth: from 300 Hz to 4 KHz
Distortion: <2%
Working frequency: all frequencies
Distance between inductive coil and Mini wireless earpiece: about 70-100 cm