Safetynet Spy GSM Pen with Two Way Communication, Wireless Nano Device Hidden GSM Pen, Long Battery Backup Security Camera  (1 Channel)

Spy GSM Pen once insert a gsm sim card and turn on the power, it will automatically pick-up calls from any mobile phone or telephone. Two way covert communication via mobile phone networks optimized inductive coil creates strong power for earpiece size 85*50*4.5 mm 4-5 hours talking time how does it work. the new developed gsm box has a built-in dual band gsm module that works in both of four band mobile phone networks. Once insert a gsm pen and turn on the power, it will automatically pickup calls from any mobile phone or telephone. The powerful inductive coil will creat strong signals to drive earpieces within 40-45cm distance. One pc 35db top sensitive microphone ensures your partner hear the whisper voices, even the gsm box is hidden under the clothes. Gsm pen has a builtin rechargeable battery. Supports more than 3-5 hours talking time, or 8 hours standby time. Spy Bluetooth pen earphone, Two way covert communication via mobile phone networks Invention, same like a normal ball pen, Optimized inductive coil creates strong power for earpiece Built-in top sensitive 35 dB microphone to pick up whisper voice Build-in quad band GSM module that works in 850/900/1800/1900MHz mobile phone networks Upto 3hr Backup