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Listening device for the GSM network with voice control (B17)

Audio devices


This is a GSM listening device, which successfully uses mobile networks to be able to contact the person who wants to listen. So in fact you you have another mobile phone that you can use with any SIM card of any operator. Left in any room it will serve you faithfully. There is a built-in high sensitivity microphone that allows you to hear everything, because it detects event the soft sounds - is so powerful. With its built-in voice detector, it will become a real security system and CCTV. You can leave it in the desired room and when the sound around it exceeds 45 decibels the device will dial your number. To enable or disable the voice detector, you only need to send a command via SMS message to the SIM card inserted in the device. The listening device has a built-in rechargeable lithium-ion battery that allows the device to remain 5 to 10 days in standby mode.
Dimensions: 43x32x14 mm.


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