Nano SIM GSM induction box with micspy earpiece spy kit

Smallest gsm box with sensitive microphone and optimized inductive coil for earpiece.

Main Features:

•     Nano SIM card support
•     GSM 2G 850 /900/ 1800/ 1900 MHz
•     Size: 50x 35 x 13mm
•     Weight: 34g
•     Battery: 550mAh 3.7V
•     Working time: 3 hours
•     With sensitive Microphone, support two way communication.
•     Working distance to earpiece: max. 70 cm
•     The initial sound has been set to the highest level
•     Support updating IMEI number by sofeware

What in the package:

• 1 * GSM box
• 1 * Micro USB charging cable
• 1 * E218 earpiece
• 2 * 337 button cell