4.5 Watt GSM Neckloop and GSM Box Earpiece

New 4.5 Watt GSM Neckloop and GSM Box For earpiece
Product Description No need mobile phone. GSM Neckloop and earpiece - that're all you need.
Features of GSM Neckloop

Two way covert communication via mobile phone networks
Optimized inductive coil creates strong power for earpiece
Can support Works with Micro Nano earpeice
Built-in top sensitive 38dB microphone to pick up whisper voice
Working Principles of GSM Neckloop

The new developed GSM Neckloop has a build-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 pick-up calls from any mobile phone or telephone. The powerful inductive coil will creat strong signals to drive earpieces within 60cm distance.
One PC 35db top sensitive microphone ensures your partner hear the whisper voices, even the GSM Neckloop is hidden under the clothes.
The SOS/ Reset button allows you to cut off audio output signals to avoid earpiece detectors.
GSM Neckloop has a built-in rechargeable 920mAh battery. It supports 6 hours talking time. Full recharge takes 4 hours.