Features:
<br />GSM voice monitor
<br />Voice actives
<br />Call back function/dialing back
<br />Smallest security device
<br />Support position
<br />Support USB charger
<br />SIM card audio bugging device with high-sensitivity microphone that can monitor the surrounding
<br />sounds at the same time
<br />Highly covert, not easy to discover
<br />
<br />Specification:
<br />Interfaces: Apple
<br />Bands: 850MHZ, 900MHZ, 1800mhz, 1900mhz
<br />Listening distance: up to 15m
<br />No light, after installed Sim card about 10 second, it's will turn on
<br />Position: send Message DW to the SIM card
<br />Sound Recall: Send Message 1111 to the Sim card, First use, please call and communicate about 30 Second
<br />Send Message 0000 to end of the Sound Recall
<br />Dial the SIM number and you can monitor the voices or sounds around the bug
<br />
<br />How item works?
<br />Install a sim card to the cable (Sim card not include) (as picture)
<br />connect the cable to 5V USB Power (5V USB power Not include)
<br />Use your phone call it 
<br />Sound real time monitor OK
<br />
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<br />Package included:
<br />1pc x GSM Spy GPS Tracker
<br />1pc x User Guide