Spy Earpiece GSM ATM card with hidden earphone for exam cheating
https://www.examdevices.com/spy-earpiece-gsm-atm-card-with-hidden-earphone/
Spy Earpiece GSM ATM card with hidden earphone is the best and most hidden-designed GSM-BOX in the world, with large volume long distance, 4.5W Amplifier, mini size only 4.5mm smaller as a Bank/Credit card ! The newly developed spy GSM id card BOX has a built-in dual band GSM module that works in both of Four Band mobile phone networks.
It provides two-way covert communications via mobile phone networks. Spy GSM id Card Once inserted a GSM SIM card and turning on the power, it will automatically pick-up calls from any mobile phone or telephone.
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