Mini Hidden Spy Earphone Wireless Earpiece Headset Microphone Detection 250351

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상품명 Mini Hidden Spy Earphone Wireless Earpiece Headset Microphone Detection 250351 Mini wireless earpiece is a micro-mini wireless inductive receiver that transforms audio signal t hrough electromagnetic induction. These products make covert communication possible when it is inconvenient to expose earpieces. You can communicate with others freely once a network exists when you use a mobile phone. It is widely used in many situations. Such as speech prompts, exam prompts,etc. How to use 1.Open the battery door of earpieces and install the battery. Put the earpiece into ear canal and the slight sound of current indicate working order. 2.Put the inductive loop around your neck and connect the inductive loop to the drive equipments (mobile phone, radio) which are attached to or beneath users clothing. Note: 1. To avoid possible noise interference when using this device, Keep away from electrical equipment including personal computer consoles, speakers, televisions, refrigerators, etc. 2. Limited by the working principle of RF wireless, there will be a slight noise of current when the earphone is working, it is not recommended to use it to listen to music Specification Size : 5x7x10mm Shape : anatomical shape Receiver type : magnetic/analogue Maximmum volume : 110dB Battery : sr416sw/337 Battery Life : 3-5h Net Weight : 0.8g Package Content 1x Earpiece 1x Loopset 1x Battery - 337 SR416SW one option 1263 Show more