PingaOculto Spy Earpiece GSM Wireless Earphones Invisible Hidden Mini Headset Exam NanoSIM Card Microphone - Secret Earphone Micro Listening Device Cheating (Spy Vip Pro UltraMini Card)

🕵【 Invisible Earpiece 】Vip Pro UltraMini earpiece is the smallest hidden wireless earpiece on the market with a size of only 1.2 x 0.68cm. It is completely hidden in the ear and undetectable. ⭐【 For Exams】The test earpiece serves as a test cheat sheet. The earphones can be used in presentations and spy communications. *Some uses may violate local regulations. 📶【 GSM Inductor Element for SIM Card 】No mobile phone is required. You can use it by inserting the SIM card directly into the GSM Card. Compatible with phone calls for GSM bands 850, 900, 1800 and 1900. 🎙️【 Integrated Microphone 】It includes a microphone integrated in the GSM card which is hidden between the neck and the chest and allows whispering communication. 🔋【 Hours of Autonomy 】The battery life is approximately 3 hours depending on the volume of the phone call or recording. 2 Batteries 337 included for the Vip Pro UltraMini Earpiece.