Calculator GSM Voice Bug/GSM Voice Recorder/Listening Device
Fully functional Desk top calculator has GSM listening device with
40 hours operation. Battery charged with USB. This fully functional
calculator can be left in office without any suspicious and you
will know what is going on when you are away.
You can charge the battery via USB port of your computer or USB
mains charger.There is a secret switch which you can set the GSM
listening device ON/OFF .Ideal Listening device for home , office
and also in the car. As the Calculator working with Solar battery
charger you do not need worry about calculator battery and will
work mant many years.
GSM frequency: 900/1800/1900 MHZAudio Amplification:-45dBBattery
Life: 40 HoursListening Time: 8 HoursCalculator fully functional
Work with bands (900MHz, 1800MHz). Please check if it can work with
your local system format before purchasing!
Note:the device can't work properly in USA.please do NOT bid if you
use it in USA Not suitable for either CDMA or 3G network!