NO NEED ANY MOBILE
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
3-5 hours talking time, or 48 hours Standby 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 SIM card 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 40-60cm distance.
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