Spy Bug Transmitter & Recorder in Office Desk Top Calculator Wireless GSM Listening Device
A high quality wireless GSM listening device built into a functional office desk top calculator. Compatible for UK/EU and USA network SIM cards. These have clear sound, strong signal reception and long 30 day battery life. Made in UK with large battery, sensitive dual microphones and high gain antenna for improved reception.
Fitted with ultra long life 2500mAh lithium battery with 30 day standby and a full 24 hour in use time. Battery is charge from inside the calculators AA 1.5v battery compartment which is required to use calculator. The 2500mAh battery will take up to 24 hours to fully recharge from dead flat state and requires 2A 5v phone charger (not included). It is supplied with micro USB charger lead to use with your own phone charger.
These have minimum echo or interference and clearly hears voices over a large area. It is even possible to hear voices from adjoining rooms if doors open so sound can travel. Totally discreet and impossible to know it is a listening device as nothing is visible from outside.
PLEASE NOTE - This device is tested and supplied with a PAYG SIM card (for UK customer only). From new it will need charging before use. Full instructions on how to operate is included. You can open calculator to fit different sim card, this require's a small screwdriver (not included). SIM card does not need credit to call and listen and calls are charged at local network tariffs. In most cases this is completely free to call in and use for long durations.
The device is ready to use and can be called discreetly called from any phone whenever you like from anywhere. Listen in on conversations up to 7 metres away from the calculator for up to 30 days. Sound activated can be set if required and any sound above 40db is heard the calculator will call your number. This feature can be switched off if not required and only works if credit is available on sim card. Credit is added to sim card by using kwikpay service or similar app without need to remove sim card.