This device allow you to listen anyone in any place. You only need to buy a new phone card, place it in this device. Once you call this number, this device will auto answer, and it is working like a phone with auto answer without speaker. So you can actually hear anyone`s talking about you or whatever when you call in that phone card`s phone. Features a unique super- slim design, place it at home or even in the office. You could listen to the sound of its surrounding wherever you want, it is the latest GSM surveillance equipment available
1.Work frequency (900MHz,1800MHz,1900MHz)
2.Ultra tiny dimension: 4 x 3 x 1 (cm)
3.Weight: only 24g
4.Excellent stand by and working time, comparing to other similar products.
5.Prominent sound quality makes more reliable.
1.Power Supply:24 hours Non-stop
2.Card Compatible: GSM / SIM
3.Microphone Range (Meter):5~7(Radius)
7.Stand-by Time: Support voice control with 3-5 days,10-15 days without voice control
8.Working Time:5 hours
9.Approved: CE / FCC
10.All GSM SIM card compatible
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